18989574

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1$

素因数の和:964

約数の個数: 32

約数和(自身を含む): 39346560

約数和(自身を除く): 20356986

約数列:

[1, 2, 3, 6, 43, 86, 89, 129, 178, 258, 267, 534, 827, 1654, 2481, 3827, 4962, 7654, 11481, 22962, 35561, 71122, 73603, 106683, 147206, 213366, 220809, 441618, 3164929, 6329858, 9494787, 18989574]

約数ペア:

[(1, 18989574), (2, 9494787), (3, 6329858), (6, 3164929), (43, 441618), (86, 220809), (89, 213366), (129, 147206), (178, 106683), (258, 73603), (267, 71122), (534, 35561), (827, 22962), (1654, 11481), (2481, 7654), (3827, 4962)]