18389888

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 41163120

約数和(自身を除く): 22773232

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 176, 296, 352, 353, 407, 592, 704, 706, 814, 1184, 1408, 1412, 1628, 2368, 2824, 3256, 3883, 4736, 5648, 6512, 7766, 11296, 13024, 13061, 15532, 22592, 26048, 26122, 31064, 45184, 52096, 52244, 62128, 104488, 124256, 143671, 208976, 248512, 287342, 417952, 497024, 574684, 835904, 1149368, 1671808, 2298736, 4597472, 9194944, 18389888]

約数ペア:

[(1, 18389888), (2, 9194944), (4, 4597472), (8, 2298736), (11, 1671808), (16, 1149368), (22, 835904), (32, 574684), (37, 497024), (44, 417952), (64, 287342), (74, 248512), (88, 208976), (128, 143671), (148, 124256), (176, 104488), (296, 62128), (352, 52244), (353, 52096), (407, 45184), (592, 31064), (704, 26122), (706, 26048), (814, 22592), (1184, 15532), (1408, 13061), (1412, 13024), (1628, 11296), (2368, 7766), (2824, 6512), (3256, 5648), (3883, 4736)]