18743608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4871}}^1$

素因数の和:4927

約数の個数: 32

約数和(自身を含む): 38878560

約数和(自身を除く): 20134952

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 4871, 9742, 19484, 38968, 63323, 126646, 180227, 253292, 360454, 506584, 720908, 1441816, 2342951, 4685902, 9371804, 18743608]

約数ペア:

[(1, 18743608), (2, 9371804), (4, 4685902), (8, 2342951), (13, 1441816), (26, 720908), (37, 506584), (52, 360454), (74, 253292), (104, 180227), (148, 126646), (296, 63323), (481, 38968), (962, 19484), (1924, 9742), (3848, 4871)]