19750740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11351}}^1$

素因数の和:11392

約数の個数: 48

約数和(自身を含む): 57214080

約数和(自身を除く): 37463340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11351, 22702, 34053, 45404, 56755, 68106, 113510, 136212, 170265, 227020, 329179, 340530, 658358, 681060, 987537, 1316716, 1645895, 1975074, 3291790, 3950148, 4937685, 6583580, 9875370, 19750740]

約数ペア:

[(1, 19750740), (2, 9875370), (3, 6583580), (4, 4937685), (5, 3950148), (6, 3291790), (10, 1975074), (12, 1645895), (15, 1316716), (20, 987537), (29, 681060), (30, 658358), (58, 340530), (60, 329179), (87, 227020), (116, 170265), (145, 136212), (174, 113510), (290, 68106), (348, 56755), (435, 45404), (580, 34053), (870, 22702), (1740, 11351)]