19707038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{5087}}^1$

素因数の和:5251

約数の個数: 16

約数和(自身を含む): 32054400

約数和(自身を除く): 12347362

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 5087, 10174, 66131, 132262, 757963, 1515926, 9853519, 19707038]

約数ペア:

[(1, 19707038), (2, 9853519), (13, 1515926), (26, 757963), (149, 132262), (298, 66131), (1937, 10174), (3874, 5087)]