18915708921

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{1197121}}^1$

素因数の和:1197376

約数の個数: 16

約数和(自身を含む): 26432453760

約数和(自身を除く): 7516744839

約数列:

[1, 3, 23, 69, 229, 687, 5267, 15801, 1197121, 3591363, 27533783, 82601349, 274140709, 822422127, 6305236307, 18915708921]

約数ペア:

[(1, 18915708921), (3, 6305236307), (23, 822422127), (69, 274140709), (229, 82601349), (687, 27533783), (5267, 3591363), (15801, 1197121)]