18201664

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:323

約数の個数: 56

約数和(自身を含む): 39428928

約数和(自身を除く): 21227264

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 131, 167, 208, 262, 334, 416, 524, 668, 832, 1048, 1336, 1703, 2096, 2171, 2672, 3406, 4192, 4342, 5344, 6812, 8384, 8684, 10688, 13624, 17368, 21877, 27248, 34736, 43754, 54496, 69472, 87508, 108992, 138944, 175016, 284401, 350032, 568802, 700064, 1137604, 1400128, 2275208, 4550416, 9100832, 18201664]

約数ペア:

[(1, 18201664), (2, 9100832), (4, 4550416), (8, 2275208), (13, 1400128), (16, 1137604), (26, 700064), (32, 568802), (52, 350032), (64, 284401), (104, 175016), (131, 138944), (167, 108992), (208, 87508), (262, 69472), (334, 54496), (416, 43754), (524, 34736), (668, 27248), (832, 21877), (1048, 17368), (1336, 13624), (1703, 10688), (2096, 8684), (2171, 8384), (2672, 6812), (3406, 5344), (4192, 4342)]