18668824

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 36764640

約数和(自身を除く): 18095816

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 241, 421, 482, 842, 964, 1684, 1928, 3368, 5543, 9683, 11086, 19366, 22172, 38732, 44344, 77464, 101461, 202922, 405844, 811688, 2333603, 4667206, 9334412, 18668824]

約数ペア:

[(1, 18668824), (2, 9334412), (4, 4667206), (8, 2333603), (23, 811688), (46, 405844), (92, 202922), (184, 101461), (241, 77464), (421, 44344), (482, 38732), (842, 22172), (964, 19366), (1684, 11086), (1928, 9683), (3368, 5543)]