18491864

素因数分解:

$2^3\times {\mathrm{19}}^3\times {\mathrm{337}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 36706800

約数和(自身を除く): 18214936

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 337, 361, 674, 722, 1348, 1444, 2696, 2888, 6403, 6859, 12806, 13718, 25612, 27436, 51224, 54872, 121657, 243314, 486628, 973256, 2311483, 4622966, 9245932, 18491864]

約数ペア:

[(1, 18491864), (2, 9245932), (4, 4622966), (8, 2311483), (19, 973256), (38, 486628), (76, 243314), (152, 121657), (337, 54872), (361, 51224), (674, 27436), (722, 25612), (1348, 13718), (1444, 12806), (2696, 6859), (2888, 6403)]