18819088

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 37997568

約数和(自身を除く): 19178480

約数列:

[1, 2, 4, 8, 16, 37, 74, 83, 148, 166, 296, 332, 383, 592, 664, 766, 1328, 1532, 3064, 3071, 6128, 6142, 12284, 14171, 24568, 28342, 31789, 49136, 56684, 63578, 113368, 127156, 226736, 254312, 508624, 1176193, 2352386, 4704772, 9409544, 18819088]

約数ペア:

[(1, 18819088), (2, 9409544), (4, 4704772), (8, 2352386), (16, 1176193), (37, 508624), (74, 254312), (83, 226736), (148, 127156), (166, 113368), (296, 63578), (332, 56684), (383, 49136), (592, 31789), (664, 28342), (766, 24568), (1328, 14171), (1532, 12284), (3064, 6142), (3071, 6128)]