19975536

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:196

約数の個数: 180

約数和(自身を含む): 68913000

約数和(自身を除く): 48937464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 49, 56, 57, 63, 72, 76, 84, 98, 112, 114, 126, 133, 144, 147, 149, 152, 168, 171, 196, 228, 252, 266, 294, 298, 304, 336, 342, 392, 399, 441, 447, 456, 504, 532, 588, 596, 684, 784, 798, 882, 894, 912, 931, 1008, 1043, 1064, 1176, 1192, 1197, 1341, 1368, 1596, 1764, 1788, 1862, 2086, 2128, 2352, 2384, 2394, 2682, 2736, 2793, 2831, 3129, 3192, 3528, 3576, 3724, 4172, 4788, 5364, 5586, 5662, 6258, 6384, 7056, 7152, 7301, 7448, 8344, 8379, 8493, 9387, 9576, 10728, 11172, 11324, 12516, 14602, 14896, 16688, 16758, 16986, 18774, 19152, 19817, 21456, 21903, 22344, 22648, 25032, 25479, 29204, 33516, 33972, 37548, 39634, 43806, 44688, 45296, 50064, 50958, 58408, 59451, 65709, 67032, 67944, 75096, 79268, 87612, 101916, 116816, 118902, 131418, 134064, 135888, 138719, 150192, 158536, 175224, 178353, 203832, 237804, 262836, 277438, 317072, 350448, 356706, 407664, 416157, 475608, 525672, 554876, 713412, 832314, 951216, 1051344, 1109752, 1248471, 1426824, 1664628, 2219504, 2496942, 2853648, 3329256, 4993884, 6658512, 9987768, 19975536]

約数ペア:

[(1, 19975536), (2, 9987768), (3, 6658512), (4, 4993884), (6, 3329256), (7, 2853648), (8, 2496942), (9, 2219504), (12, 1664628), (14, 1426824), (16, 1248471), (18, 1109752), (19, 1051344), (21, 951216), (24, 832314), (28, 713412), (36, 554876), (38, 525672), (42, 475608), (48, 416157), (49, 407664), (56, 356706), (57, 350448), (63, 317072), (72, 277438), (76, 262836), (84, 237804), (98, 203832), (112, 178353), (114, 175224), (126, 158536), (133, 150192), (144, 138719), (147, 135888), (149, 134064), (152, 131418), (168, 118902), (171, 116816), (196, 101916), (228, 87612), (252, 79268), (266, 75096), (294, 67944), (298, 67032), (304, 65709), (336, 59451), (342, 58408), (392, 50958), (399, 50064), (441, 45296), (447, 44688), (456, 43806), (504, 39634), (532, 37548), (588, 33972), (596, 33516), (684, 29204), (784, 25479), (798, 25032), (882, 22648), (894, 22344), (912, 21903), (931, 21456), (1008, 19817), (1043, 19152), (1064, 18774), (1176, 16986), (1192, 16758), (1197, 16688), (1341, 14896), (1368, 14602), (1596, 12516), (1764, 11324), (1788, 11172), (1862, 10728), (2086, 9576), (2128, 9387), (2352, 8493), (2384, 8379), (2394, 8344), (2682, 7448), (2736, 7301), (2793, 7152), (2831, 7056), (3129, 6384), (3192, 6258), (3528, 5662), (3576, 5586), (3724, 5364), (4172, 4788)]