19185125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{4951}}^1$

素因数の和:4997

約数の個数: 16

約数和(自身を含む): 24720384

約数和(自身を除く): 5535259

約数列:

[1, 5, 25, 31, 125, 155, 775, 3875, 4951, 24755, 123775, 153481, 618875, 767405, 3837025, 19185125]

約数ペア:

[(1, 19185125), (5, 3837025), (25, 767405), (31, 618875), (125, 153481), (155, 123775), (775, 24755), (3875, 4951)]