18903660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 57480192

約数和(自身を除く): 38576532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 43, 51, 60, 68, 85, 86, 102, 129, 170, 172, 204, 215, 255, 258, 340, 430, 431, 510, 516, 645, 731, 860, 862, 1020, 1290, 1293, 1462, 1724, 2155, 2193, 2580, 2586, 2924, 3655, 4310, 4386, 5172, 6465, 7310, 7327, 8620, 8772, 10965, 12930, 14620, 14654, 18533, 21930, 21981, 25860, 29308, 36635, 37066, 43860, 43962, 55599, 73270, 74132, 87924, 92665, 109905, 111198, 146540, 185330, 219810, 222396, 277995, 315061, 370660, 439620, 555990, 630122, 945183, 1111980, 1260244, 1575305, 1890366, 3150610, 3780732, 4725915, 6301220, 9451830, 18903660]

約数ペア:

[(1, 18903660), (2, 9451830), (3, 6301220), (4, 4725915), (5, 3780732), (6, 3150610), (10, 1890366), (12, 1575305), (15, 1260244), (17, 1111980), (20, 945183), (30, 630122), (34, 555990), (43, 439620), (51, 370660), (60, 315061), (68, 277995), (85, 222396), (86, 219810), (102, 185330), (129, 146540), (170, 111198), (172, 109905), (204, 92665), (215, 87924), (255, 74132), (258, 73270), (340, 55599), (430, 43962), (431, 43860), (510, 37066), (516, 36635), (645, 29308), (731, 25860), (860, 21981), (862, 21930), (1020, 18533), (1290, 14654), (1293, 14620), (1462, 12930), (1724, 10965), (2155, 8772), (2193, 8620), (2580, 7327), (2586, 7310), (2924, 6465), (3655, 5172), (4310, 4386)]