22181968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:715

約数の個数: 40

約数和(自身を含む): 45666720

約数和(自身を除く): 23484752

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 524, 557, 1048, 1114, 2096, 2228, 2489, 4456, 4978, 8912, 9956, 10583, 19912, 21166, 39824, 42332, 72967, 84664, 145934, 169328, 291868, 583736, 1167472, 1386373, 2772746, 5545492, 11090984, 22181968]

約数ペア:

[(1, 22181968), (2, 11090984), (4, 5545492), (8, 2772746), (16, 1386373), (19, 1167472), (38, 583736), (76, 291868), (131, 169328), (152, 145934), (262, 84664), (304, 72967), (524, 42332), (557, 39824), (1048, 21166), (1114, 19912), (2096, 10583), (2228, 9956), (2489, 8912), (4456, 4978)]