18394368

素因数分解:

$2^8\times 3^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 50184288

約数和(自身を除く): 31789920

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 344, 384, 516, 557, 688, 768, 1032, 1114, 1376, 1671, 2064, 2228, 2752, 3342, 4128, 4456, 5504, 6684, 8256, 8912, 11008, 13368, 16512, 17824, 23951, 26736, 33024, 35648, 47902, 53472, 71296, 71853, 95804, 106944, 142592, 143706, 191608, 213888, 287412, 383216, 427776, 574824, 766432, 1149648, 1532864, 2299296, 3065728, 4598592, 6131456, 9197184, 18394368]

約数ペア:

[(1, 18394368), (2, 9197184), (3, 6131456), (4, 4598592), (6, 3065728), (8, 2299296), (12, 1532864), (16, 1149648), (24, 766432), (32, 574824), (43, 427776), (48, 383216), (64, 287412), (86, 213888), (96, 191608), (128, 143706), (129, 142592), (172, 106944), (192, 95804), (256, 71853), (258, 71296), (344, 53472), (384, 47902), (516, 35648), (557, 33024), (688, 26736), (768, 23951), (1032, 17824), (1114, 16512), (1376, 13368), (1671, 11008), (2064, 8912), (2228, 8256), (2752, 6684), (3342, 5504), (4128, 4456)]