19817850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10163}}^1$

素因数の和:10191

約数の個数: 48

約数和(自身を含む): 52934112

約数和(自身を除く): 33116262

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 10163, 20326, 30489, 50815, 60978, 101630, 132119, 152445, 254075, 264238, 304890, 396357, 508150, 660595, 762225, 792714, 1321190, 1524450, 1981785, 3302975, 3963570, 6605950, 9908925, 19817850]

約数ペア:

[(1, 19817850), (2, 9908925), (3, 6605950), (5, 3963570), (6, 3302975), (10, 1981785), (13, 1524450), (15, 1321190), (25, 792714), (26, 762225), (30, 660595), (39, 508150), (50, 396357), (65, 304890), (75, 264238), (78, 254075), (130, 152445), (150, 132119), (195, 101630), (325, 60978), (390, 50815), (650, 30489), (975, 20326), (1950, 10163)]