19090625

素因数分解:

$5^5\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 24607800

約数和(自身を除く): 5517175

約数列:

[1, 5, 25, 41, 125, 149, 205, 625, 745, 1025, 3125, 3725, 5125, 6109, 18625, 25625, 30545, 93125, 128125, 152725, 465625, 763625, 3818125, 19090625]

約数ペア:

[(1, 19090625), (5, 3818125), (25, 763625), (41, 465625), (125, 152725), (149, 128125), (205, 93125), (625, 30545), (745, 25625), (1025, 18625), (3125, 6109), (3725, 5125)]