19810050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{10159}}^1$

素因数の和:10187

約数の個数: 48

約数和(自身を含む): 52913280

約数和(自身を除く): 33103230

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, 10159, 20318, 30477, 50795, 60954, 101590, 132067, 152385, 253975, 264134, 304770, 396201, 507950, 660335, 761925, 792402, 1320670, 1523850, 1981005, 3301675, 3962010, 6603350, 9905025, 19810050]

約数ペア:

[(1, 19810050), (2, 9905025), (3, 6603350), (5, 3962010), (6, 3301675), (10, 1981005), (13, 1523850), (15, 1320670), (25, 792402), (26, 761925), (30, 660335), (39, 507950), (50, 396201), (65, 304770), (75, 264134), (78, 253975), (130, 152385), (150, 132067), (195, 101590), (325, 60954), (390, 50795), (650, 30477), (975, 20318), (1950, 10159)]