18880974741

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{879371}}^1$

素因数の和:879812

約数の個数: 16

約数和(自身を含む): 26718838848

約数和(自身を除く): 7837864107

約数列:

[1, 3, 17, 51, 421, 1263, 7157, 21471, 879371, 2638113, 14949307, 44847921, 370215191, 1110645573, 6293658247, 18880974741]

約数ペア:

[(1, 18880974741), (3, 6293658247), (17, 1110645573), (51, 370215191), (421, 44847921), (1263, 14949307), (7157, 2638113), (21471, 879371)]