19707981648

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1\times {\mathrm{563}}^1$

素因数の和:1017

約数の個数: 160

約数和(自身を含む): 54281525760

約数和(自身を除く): 34573544112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 131, 152, 228, 262, 293, 304, 393, 456, 524, 563, 586, 786, 879, 912, 1048, 1126, 1172, 1572, 1689, 1758, 2096, 2252, 2344, 2489, 3144, 3378, 3516, 4504, 4688, 4978, 5567, 6288, 6756, 7032, 7467, 9008, 9956, 10697, 11134, 13512, 14064, 14934, 16701, 19912, 21394, 22268, 27024, 29868, 32091, 33402, 38383, 39824, 42788, 44536, 59736, 64182, 66804, 73753, 76766, 85576, 89072, 115149, 119472, 128364, 133608, 147506, 153532, 164959, 171152, 221259, 230298, 256728, 267216, 295012, 307064, 329918, 442518, 460596, 494877, 513456, 590024, 614128, 659836, 729277, 885036, 921192, 989754, 1180048, 1319672, 1401307, 1458554, 1770072, 1842384, 1979508, 2187831, 2639344, 2802614, 2917108, 3134221, 3540144, 3959016, 4203921, 4375662, 5605228, 5834216, 6268442, 7918032, 8407842, 8751324, 9402663, 11210456, 11668432, 12536884, 16815684, 17502648, 18805326, 21609629, 22420912, 25073768, 33631368, 35005296, 37610652, 43219258, 50147536, 64828887, 67262736, 75221304, 86438516, 129657774, 150442608, 172877032, 259315548, 345754064, 410582951, 518631096, 821165902, 1037262192, 1231748853, 1642331804, 2463497706, 3284663608, 4926995412, 6569327216, 9853990824, 19707981648]

約数ペア:

[(1, 19707981648), (2, 9853990824), (3, 6569327216), (4, 4926995412), (6, 3284663608), (8, 2463497706), (12, 1642331804), (16, 1231748853), (19, 1037262192), (24, 821165902), (38, 518631096), (48, 410582951), (57, 345754064), (76, 259315548), (114, 172877032), (131, 150442608), (152, 129657774), (228, 86438516), (262, 75221304), (293, 67262736), (304, 64828887), (393, 50147536), (456, 43219258), (524, 37610652), (563, 35005296), (586, 33631368), (786, 25073768), (879, 22420912), (912, 21609629), (1048, 18805326), (1126, 17502648), (1172, 16815684), (1572, 12536884), (1689, 11668432), (1758, 11210456), (2096, 9402663), (2252, 8751324), (2344, 8407842), (2489, 7918032), (3144, 6268442), (3378, 5834216), (3516, 5605228), (4504, 4375662), (4688, 4203921), (4978, 3959016), (5567, 3540144), (6288, 3134221), (6756, 2917108), (7032, 2802614), (7467, 2639344), (9008, 2187831), (9956, 1979508), (10697, 1842384), (11134, 1770072), (13512, 1458554), (14064, 1401307), (14934, 1319672), (16701, 1180048), (19912, 989754), (21394, 921192), (22268, 885036), (27024, 729277), (29868, 659836), (32091, 614128), (33402, 590024), (38383, 513456), (39824, 494877), (42788, 460596), (44536, 442518), (59736, 329918), (64182, 307064), (66804, 295012), (73753, 267216), (76766, 256728), (85576, 230298), (89072, 221259), (115149, 171152), (119472, 164959), (128364, 153532), (133608, 147506)]