18940180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2293}}^1$

素因数の和:2368

約数の個数: 48

約数和(自身を含む): 46247040

約数和(自身を除く): 27306860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 2293, 4130, 4586, 8260, 9172, 11465, 16051, 22930, 32102, 45860, 64204, 80255, 135287, 160510, 270574, 321020, 541148, 676435, 947009, 1352870, 1894018, 2705740, 3788036, 4735045, 9470090, 18940180]

約数ペア:

[(1, 18940180), (2, 9470090), (4, 4735045), (5, 3788036), (7, 2705740), (10, 1894018), (14, 1352870), (20, 947009), (28, 676435), (35, 541148), (59, 321020), (70, 270574), (118, 160510), (140, 135287), (236, 80255), (295, 64204), (413, 45860), (590, 32102), (826, 22930), (1180, 16051), (1652, 11465), (2065, 9172), (2293, 8260), (4130, 4586)]