19745750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4157}}^1$

素因数の和:4193

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 19173130

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 950, 2375, 4157, 4750, 8314, 20785, 41570, 78983, 103925, 157966, 207850, 394915, 519625, 789830, 1039250, 1974575, 3949150, 9872875, 19745750]

約数ペア:

[(1, 19745750), (2, 9872875), (5, 3949150), (10, 1974575), (19, 1039250), (25, 789830), (38, 519625), (50, 394915), (95, 207850), (125, 157966), (190, 103925), (250, 78983), (475, 41570), (950, 20785), (2375, 8314), (4157, 4750)]