18669740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 42511392

約数和(自身を除く): 23841652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1277, 1462, 2554, 2924, 3655, 5108, 6385, 7310, 12770, 14620, 21709, 25540, 43418, 54911, 86836, 108545, 109822, 217090, 219644, 274555, 434180, 549110, 933487, 1098220, 1866974, 3733948, 4667435, 9334870, 18669740]

約数ペア:

[(1, 18669740), (2, 9334870), (4, 4667435), (5, 3733948), (10, 1866974), (17, 1098220), (20, 933487), (34, 549110), (43, 434180), (68, 274555), (85, 219644), (86, 217090), (170, 109822), (172, 108545), (215, 86836), (340, 54911), (430, 43418), (731, 25540), (860, 21709), (1277, 14620), (1462, 12770), (2554, 7310), (2924, 6385), (3655, 5108)]