19706550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1663}}^1$

素因数の和:1757

約数の個数: 48

約数和(自身を含む): 49520640

約数和(自身を除く): 29814090

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 79, 150, 158, 237, 395, 474, 790, 1185, 1663, 1975, 2370, 3326, 3950, 4989, 5925, 8315, 9978, 11850, 16630, 24945, 41575, 49890, 83150, 124725, 131377, 249450, 262754, 394131, 656885, 788262, 1313770, 1970655, 3284425, 3941310, 6568850, 9853275, 19706550]

約数ペア:

[(1, 19706550), (2, 9853275), (3, 6568850), (5, 3941310), (6, 3284425), (10, 1970655), (15, 1313770), (25, 788262), (30, 656885), (50, 394131), (75, 262754), (79, 249450), (150, 131377), (158, 124725), (237, 83150), (395, 49890), (474, 41575), (790, 24945), (1185, 16630), (1663, 11850), (1975, 9978), (2370, 8315), (3326, 5925), (3950, 4989)]