19189976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4987}}^1$

素因数の和:5043

約数の個数: 32

約数和(自身を含む): 39804240

約数和(自身を除く): 20614264

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 4987, 9974, 19948, 39896, 64831, 129662, 184519, 259324, 369038, 518648, 738076, 1476152, 2398747, 4797494, 9594988, 19189976]

約数ペア:

[(1, 19189976), (2, 9594988), (4, 4797494), (8, 2398747), (13, 1476152), (26, 738076), (37, 518648), (52, 369038), (74, 259324), (104, 184519), (148, 129662), (296, 64831), (481, 39896), (962, 19948), (1924, 9974), (3848, 4987)]