18252220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7669}}^1$

素因数の和:7702

約数の個数: 48

約数和(自身を含む): 46388160

約数和(自身を除く): 28135940

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 7669, 15338, 30676, 38345, 53683, 76690, 107366, 130373, 153380, 214732, 260746, 268415, 521492, 536830, 651865, 912611, 1073660, 1303730, 1825222, 2607460, 3650444, 4563055, 9126110, 18252220]

約数ペア:

[(1, 18252220), (2, 9126110), (4, 4563055), (5, 3650444), (7, 2607460), (10, 1825222), (14, 1303730), (17, 1073660), (20, 912611), (28, 651865), (34, 536830), (35, 521492), (68, 268415), (70, 260746), (85, 214732), (119, 153380), (140, 130373), (170, 107366), (238, 76690), (340, 53683), (476, 38345), (595, 30676), (1190, 15338), (2380, 7669)]