19336475

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 25110000

約数和(自身を除く): 5773525

約数列:

[1, 5, 25, 29, 145, 149, 179, 725, 745, 895, 3725, 4321, 4475, 5191, 21605, 25955, 26671, 108025, 129775, 133355, 666775, 773459, 3867295, 19336475]

約数ペア:

[(1, 19336475), (5, 3867295), (25, 773459), (29, 666775), (145, 133355), (149, 129775), (179, 108025), (725, 26671), (745, 25955), (895, 21605), (3725, 5191), (4321, 4475)]