18891522

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1583}}^1$

素因数の和:1624

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 29008638

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 117, 153, 221, 234, 306, 351, 442, 459, 663, 702, 918, 1326, 1583, 1989, 3166, 3978, 4749, 5967, 9498, 11934, 14247, 20579, 26911, 28494, 41158, 42741, 53822, 61737, 80733, 85482, 123474, 161466, 185211, 242199, 349843, 370422, 484398, 555633, 699686, 726597, 1049529, 1111266, 1453194, 2099058, 3148587, 6297174, 9445761, 18891522]

約数ペア:

[(1, 18891522), (2, 9445761), (3, 6297174), (6, 3148587), (9, 2099058), (13, 1453194), (17, 1111266), (18, 1049529), (26, 726597), (27, 699686), (34, 555633), (39, 484398), (51, 370422), (54, 349843), (78, 242199), (102, 185211), (117, 161466), (153, 123474), (221, 85482), (234, 80733), (306, 61737), (351, 53822), (442, 42741), (459, 41158), (663, 28494), (702, 26911), (918, 20579), (1326, 14247), (1583, 11934), (1989, 9498), (3166, 5967), (3978, 4749)]