18315921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7699}}^1$

素因数の和:7776

約数の個数: 16

約数和(自身を含む): 26734400

約数和(自身を除く): 8418479

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 7699, 23097, 100087, 300261, 469639, 1408917, 6105307, 18315921]

約数ペア:

[(1, 18315921), (3, 6105307), (13, 1408917), (39, 469639), (61, 300261), (183, 100087), (793, 23097), (2379, 7699)]