18126220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3011}}^1$

素因数の和:3070

約数の個数: 48

約数和(自身を含む): 44529408

約数和(自身を除く): 26403188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 3011, 6020, 6022, 12044, 15055, 21077, 30110, 42154, 60220, 84308, 105385, 129473, 210770, 258946, 421540, 517892, 647365, 906311, 1294730, 1812622, 2589460, 3625244, 4531555, 9063110, 18126220]

約数ペア:

[(1, 18126220), (2, 9063110), (4, 4531555), (5, 3625244), (7, 2589460), (10, 1812622), (14, 1294730), (20, 906311), (28, 647365), (35, 517892), (43, 421540), (70, 258946), (86, 210770), (140, 129473), (172, 105385), (215, 84308), (301, 60220), (430, 42154), (602, 30110), (860, 21077), (1204, 15055), (1505, 12044), (3010, 6022), (3011, 6020)]