17980452848

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{80737}}^1$

素因数の和:81225

約数の個数: 40

約数和(自身を含む): 36041443200

約数和(自身を除く): 18060990352

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 449, 496, 898, 1796, 3592, 7184, 13919, 27838, 55676, 80737, 111352, 161474, 222704, 322948, 645896, 1291792, 2502847, 5005694, 10011388, 20022776, 36250913, 40045552, 72501826, 145003652, 290007304, 580014608, 1123778303, 2247556606, 4495113212, 8990226424, 17980452848]

約数ペア:

[(1, 17980452848), (2, 8990226424), (4, 4495113212), (8, 2247556606), (16, 1123778303), (31, 580014608), (62, 290007304), (124, 145003652), (248, 72501826), (449, 40045552), (496, 36250913), (898, 20022776), (1796, 10011388), (3592, 5005694), (7184, 2502847), (13919, 1291792), (27838, 645896), (55676, 322948), (80737, 222704), (111352, 161474)]