18929140

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{4133}}^1$

素因数の和:4371

約数の個数: 24

約数和(自身を含む): 39934440

約数和(自身を除く): 21005300

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4133, 4580, 8266, 16532, 20665, 41330, 82660, 946457, 1892914, 3785828, 4732285, 9464570, 18929140]

約数ペア:

[(1, 18929140), (2, 9464570), (4, 4732285), (5, 3785828), (10, 1892914), (20, 946457), (229, 82660), (458, 41330), (916, 20665), (1145, 16532), (2290, 8266), (4133, 4580)]