19879656

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 52020480

約数和(自身を除く): 32140824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 61, 74, 111, 122, 148, 183, 222, 244, 296, 366, 367, 444, 488, 732, 734, 888, 1101, 1464, 1468, 2202, 2257, 2936, 4404, 4514, 6771, 8808, 9028, 13542, 13579, 18056, 22387, 27084, 27158, 40737, 44774, 54168, 54316, 67161, 81474, 89548, 108632, 134322, 162948, 179096, 268644, 325896, 537288, 828319, 1656638, 2484957, 3313276, 4969914, 6626552, 9939828, 19879656]

約数ペア:

[(1, 19879656), (2, 9939828), (3, 6626552), (4, 4969914), (6, 3313276), (8, 2484957), (12, 1656638), (24, 828319), (37, 537288), (61, 325896), (74, 268644), (111, 179096), (122, 162948), (148, 134322), (183, 108632), (222, 89548), (244, 81474), (296, 67161), (366, 54316), (367, 54168), (444, 44774), (488, 40737), (732, 27158), (734, 27084), (888, 22387), (1101, 18056), (1464, 13579), (1468, 13542), (2202, 9028), (2257, 8808), (2936, 6771), (4404, 4514)]