18190888

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{881}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 35721000

約数和(自身を除く): 17530112

約数列:

[1, 2, 4, 8, 29, 58, 89, 116, 178, 232, 356, 712, 881, 1762, 2581, 3524, 5162, 7048, 10324, 20648, 25549, 51098, 78409, 102196, 156818, 204392, 313636, 627272, 2273861, 4547722, 9095444, 18190888]

約数ペア:

[(1, 18190888), (2, 9095444), (4, 4547722), (8, 2273861), (29, 627272), (58, 313636), (89, 204392), (116, 156818), (178, 102196), (232, 78409), (356, 51098), (712, 25549), (881, 20648), (1762, 10324), (2581, 7048), (3524, 5162)]