18896397

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 32

約数和(自身を含む): 28331520

約数和(自身を除く): 9435123

約数列:

[1, 3, 13, 39, 47, 61, 141, 169, 183, 507, 611, 793, 1833, 2197, 2379, 2867, 6591, 7943, 8601, 10309, 23829, 30927, 37271, 103259, 111813, 134017, 309777, 402051, 484523, 1453569, 6298799, 18896397]

約数ペア:

[(1, 18896397), (3, 6298799), (13, 1453569), (39, 484523), (47, 402051), (61, 309777), (141, 134017), (169, 111813), (183, 103259), (507, 37271), (611, 30927), (793, 23829), (1833, 10309), (2197, 8601), (2379, 7943), (2867, 6591)]