18957704

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 37350720

約数和(自身を除く): 18393016

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 197, 394, 523, 788, 1046, 1576, 2092, 4184, 4531, 9062, 12029, 18124, 24058, 36248, 48116, 96232, 103031, 206062, 412124, 824248, 2369713, 4739426, 9478852, 18957704]

約数ペア:

[(1, 18957704), (2, 9478852), (4, 4739426), (8, 2369713), (23, 824248), (46, 412124), (92, 206062), (184, 103031), (197, 96232), (394, 48116), (523, 36248), (788, 24058), (1046, 18124), (1576, 12029), (2092, 9062), (4184, 4531)]