19283780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1319}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 24624700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1319, 1462, 2638, 2924, 3655, 5276, 6595, 7310, 13190, 14620, 22423, 26380, 44846, 56717, 89692, 112115, 113434, 224230, 226868, 283585, 448460, 567170, 964189, 1134340, 1928378, 3856756, 4820945, 9641890, 19283780]

約数ペア:

[(1, 19283780), (2, 9641890), (4, 4820945), (5, 3856756), (10, 1928378), (17, 1134340), (20, 964189), (34, 567170), (43, 448460), (68, 283585), (85, 226868), (86, 224230), (170, 113434), (172, 112115), (215, 89692), (340, 56717), (430, 44846), (731, 26380), (860, 22423), (1319, 14620), (1462, 13190), (2638, 7310), (2924, 6595), (3655, 5276)]