18632740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19013}}^1$

素因数の和:19036

約数の個数: 36

約数和(自身を含む): 45519516

約数和(自身を除く): 26886776

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19013, 38026, 76052, 95065, 133091, 190130, 266182, 380260, 532364, 665455, 931637, 1330910, 1863274, 2661820, 3726548, 4658185, 9316370, 18632740]

約数ペア:

[(1, 18632740), (2, 9316370), (4, 4658185), (5, 3726548), (7, 2661820), (10, 1863274), (14, 1330910), (20, 931637), (28, 665455), (35, 532364), (49, 380260), (70, 266182), (98, 190130), (140, 133091), (196, 95065), (245, 76052), (490, 38026), (980, 19013)]