18982740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45197}}^1$

素因数の和:45216

約数の個数: 48

約数和(自身を含む): 60746112

約数和(自身を除く): 41763372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45197, 90394, 135591, 180788, 225985, 271182, 316379, 451970, 542364, 632758, 677955, 903940, 949137, 1265516, 1355910, 1581895, 1898274, 2711820, 3163790, 3796548, 4745685, 6327580, 9491370, 18982740]

約数ペア:

[(1, 18982740), (2, 9491370), (3, 6327580), (4, 4745685), (5, 3796548), (6, 3163790), (7, 2711820), (10, 1898274), (12, 1581895), (14, 1355910), (15, 1265516), (20, 949137), (21, 903940), (28, 677955), (30, 632758), (35, 542364), (42, 451970), (60, 316379), (70, 271182), (84, 225985), (105, 180788), (140, 135591), (210, 90394), (420, 45197)]