1808803984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{66383}}^1$

素因数の和:66535

約数の個数: 40

約数和(自身を含む): 3803006592

約数和(自身を除く): 1994202608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 131, 208, 262, 524, 1048, 1703, 2096, 3406, 6812, 13624, 27248, 66383, 132766, 265532, 531064, 862979, 1062128, 1725958, 3451916, 6903832, 8696173, 13807664, 17392346, 34784692, 69569384, 113050249, 139138768, 226100498, 452200996, 904401992, 1808803984]

約数ペア:

[(1, 1808803984), (2, 904401992), (4, 452200996), (8, 226100498), (13, 139138768), (16, 113050249), (26, 69569384), (52, 34784692), (104, 17392346), (131, 13807664), (208, 8696173), (262, 6903832), (524, 3451916), (1048, 1725958), (1703, 1062128), (2096, 862979), (3406, 531064), (6812, 265532), (13624, 132766), (27248, 66383)]