19269872

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:353

約数の個数: 40

約数和(自身を含む): 38502000

約数和(自身を除く): 19232128

約数列:

[1, 2, 4, 8, 16, 59, 118, 137, 149, 236, 274, 298, 472, 548, 596, 944, 1096, 1192, 2192, 2384, 8083, 8791, 16166, 17582, 20413, 32332, 35164, 40826, 64664, 70328, 81652, 129328, 140656, 163304, 326608, 1204367, 2408734, 4817468, 9634936, 19269872]

約数ペア:

[(1, 19269872), (2, 9634936), (4, 4817468), (8, 2408734), (16, 1204367), (59, 326608), (118, 163304), (137, 140656), (149, 129328), (236, 81652), (274, 70328), (298, 64664), (472, 40826), (548, 35164), (596, 32332), (944, 20413), (1096, 17582), (1192, 16166), (2192, 8791), (2384, 8083)]