19218810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49279}}^1$

素因数の和:49302

約数の個数: 32

約数和(自身を含む): 49674240

約数和(自身を除く): 30455430

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 49279, 98558, 147837, 246395, 295674, 492790, 640627, 739185, 1281254, 1478370, 1921881, 3203135, 3843762, 6406270, 9609405, 19218810]

約数ペア:

[(1, 19218810), (2, 9609405), (3, 6406270), (5, 3843762), (6, 3203135), (10, 1921881), (13, 1478370), (15, 1281254), (26, 739185), (30, 640627), (39, 492790), (65, 295674), (78, 246395), (130, 147837), (195, 98558), (390, 49279)]