18504969

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{9901}}^1$

素因数の和:10000

約数の個数: 16

約数和(自身を含む): 28517760

約数和(自身を除く): 10012791

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 9901, 29703, 69307, 207921, 881189, 2643567, 6168323, 18504969]

約数ペア:

[(1, 18504969), (3, 6168323), (7, 2643567), (21, 881189), (89, 207921), (267, 69307), (623, 29703), (1869, 9901)]