18479139

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{16603}}^1$

素因数の和:16666

約数の個数: 16

約数和(自身を含む): 28691712

約数和(自身を除く): 10212573

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 16603, 49809, 116221, 348663, 879959, 2639877, 6159713, 18479139]

約数ペア:

[(1, 18479139), (3, 6159713), (7, 2639877), (21, 879959), (53, 348663), (159, 116221), (371, 49809), (1113, 16603)]