15991986

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 32722560

約数和(自身を除く): 16730574

約数列:

[1, 2, 3, 6, 103, 113, 206, 226, 229, 309, 339, 458, 618, 678, 687, 1374, 11639, 23278, 23587, 25877, 34917, 47174, 51754, 69834, 70761, 77631, 141522, 155262, 2665331, 5330662, 7995993, 15991986]

約数ペア:

[(1, 15991986), (2, 7995993), (3, 5330662), (6, 2665331), (103, 155262), (113, 141522), (206, 77631), (226, 70761), (229, 69834), (309, 51754), (339, 47174), (458, 34917), (618, 25877), (678, 23587), (687, 23278), (1374, 11639)]