19753318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 13309082

約数列:

[1, 2, 13, 26, 59, 79, 118, 158, 163, 326, 767, 1027, 1534, 2054, 2119, 4238, 4661, 9322, 9617, 12877, 19234, 25754, 60593, 121186, 125021, 167401, 250042, 334802, 759743, 1519486, 9876659, 19753318]

約数ペア:

[(1, 19753318), (2, 9876659), (13, 1519486), (26, 759743), (59, 334802), (79, 250042), (118, 167401), (158, 125021), (163, 121186), (326, 60593), (767, 25754), (1027, 19234), (1534, 12877), (2054, 9617), (2119, 9322), (4238, 4661)]