18778992

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 52080000

約数和(自身を除く): 33301008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 59, 76, 114, 118, 152, 177, 228, 236, 304, 349, 354, 456, 472, 698, 708, 912, 944, 1047, 1121, 1396, 1416, 2094, 2242, 2792, 2832, 3363, 4188, 4484, 5584, 6631, 6726, 8376, 8968, 13262, 13452, 16752, 17936, 19893, 20591, 26524, 26904, 39786, 41182, 53048, 53808, 61773, 79572, 82364, 106096, 123546, 159144, 164728, 247092, 318288, 329456, 391229, 494184, 782458, 988368, 1173687, 1564916, 2347374, 3129832, 4694748, 6259664, 9389496, 18778992]

約数ペア:

[(1, 18778992), (2, 9389496), (3, 6259664), (4, 4694748), (6, 3129832), (8, 2347374), (12, 1564916), (16, 1173687), (19, 988368), (24, 782458), (38, 494184), (48, 391229), (57, 329456), (59, 318288), (76, 247092), (114, 164728), (118, 159144), (152, 123546), (177, 106096), (228, 82364), (236, 79572), (304, 61773), (349, 53808), (354, 53048), (456, 41182), (472, 39786), (698, 26904), (708, 26524), (912, 20591), (944, 19893), (1047, 17936), (1121, 16752), (1396, 13452), (1416, 13262), (2094, 8968), (2242, 8376), (2792, 6726), (2832, 6631), (3363, 5584), (4188, 4484)]