18478984

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 35896320

約数和(自身を除く): 17417336

約数列:

[1, 2, 4, 8, 37, 74, 148, 163, 296, 326, 383, 652, 766, 1304, 1532, 3064, 6031, 12062, 14171, 24124, 28342, 48248, 56684, 62429, 113368, 124858, 249716, 499432, 2309873, 4619746, 9239492, 18478984]

約数ペア:

[(1, 18478984), (2, 9239492), (4, 4619746), (8, 2309873), (37, 499432), (74, 249716), (148, 124858), (163, 113368), (296, 62429), (326, 56684), (383, 48248), (652, 28342), (766, 24124), (1304, 14171), (1532, 12062), (3064, 6031)]