19132345

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 23547600

約数和(自身を除く): 4415255

約数列:

[1, 5, 61, 149, 305, 421, 745, 2105, 9089, 25681, 45445, 62729, 128405, 313645, 3826469, 19132345]

約数ペア:

[(1, 19132345), (5, 3826469), (61, 313645), (149, 128405), (305, 62729), (421, 45445), (745, 25681), (2105, 9089)]