19417215

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21221}}^1$

素因数の和:21290

約数の個数: 16

約数和(自身を含む): 31578336

約数和(自身を除く): 12161121

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 21221, 63663, 106105, 318315, 1294481, 3883443, 6472405, 19417215]

約数ペア:

[(1, 19417215), (3, 6472405), (5, 3883443), (15, 1294481), (61, 318315), (183, 106105), (305, 63663), (915, 21221)]