19917491331

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{4201}}^1\times {\mathrm{21649}}^1$

素因数の和:25926

約数の個数: 16

約数和(自身を含む): 26928096800

約数和(自身を除く): 7010605469

約数列:

[1, 3, 73, 219, 4201, 12603, 21649, 64947, 306673, 920019, 1580377, 4741131, 90947449, 272842347, 6639163777, 19917491331]

約数ペア:

[(1, 19917491331), (3, 6639163777), (73, 272842347), (219, 90947449), (4201, 4741131), (12603, 1580377), (21649, 920019), (64947, 306673)]