19879904

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{56477}}^1$

素因数の和:56498

約数の個数: 24

約数和(自身を含む): 42697368

約数和(自身を除く): 22817464

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 56477, 112954, 225908, 451816, 621247, 903632, 1242494, 1807264, 2484988, 4969976, 9939952, 19879904]

約数ペア:

[(1, 19879904), (2, 9939952), (4, 4969976), (8, 2484988), (11, 1807264), (16, 1242494), (22, 903632), (32, 621247), (44, 451816), (88, 225908), (176, 112954), (352, 56477)]