19641615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{661}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 36097536

約数和(自身を除く): 16455921

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 283, 661, 849, 1415, 1981, 1983, 3305, 4245, 4627, 5943, 9905, 9915, 13881, 23135, 29715, 69405, 187063, 561189, 935315, 1309441, 2805945, 3928323, 6547205, 19641615]

約数ペア:

[(1, 19641615), (3, 6547205), (5, 3928323), (7, 2805945), (15, 1309441), (21, 935315), (35, 561189), (105, 187063), (283, 69405), (661, 29715), (849, 23135), (1415, 13881), (1981, 9915), (1983, 9905), (3305, 5943), (4245, 4627)]