19856520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2903}}^1$

素因数の和:2939

約数の個数: 96

約数和(自身を含む): 67953600

約数和(自身を除く): 48097080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 2903, 3420, 5806, 6840, 8709, 11612, 14515, 17418, 23224, 26127, 29030, 34836, 43545, 52254, 55157, 58060, 69672, 87090, 104508, 110314, 116120, 130635, 165471, 174180, 209016, 220628, 261270, 275785, 330942, 348360, 441256, 496413, 522540, 551570, 661884, 827355, 992826, 1045080, 1103140, 1323768, 1654710, 1985652, 2206280, 2482065, 3309420, 3971304, 4964130, 6618840, 9928260, 19856520]

約数ペア:

[(1, 19856520), (2, 9928260), (3, 6618840), (4, 4964130), (5, 3971304), (6, 3309420), (8, 2482065), (9, 2206280), (10, 1985652), (12, 1654710), (15, 1323768), (18, 1103140), (19, 1045080), (20, 992826), (24, 827355), (30, 661884), (36, 551570), (38, 522540), (40, 496413), (45, 441256), (57, 348360), (60, 330942), (72, 275785), (76, 261270), (90, 220628), (95, 209016), (114, 174180), (120, 165471), (152, 130635), (171, 116120), (180, 110314), (190, 104508), (228, 87090), (285, 69672), (342, 58060), (360, 55157), (380, 52254), (456, 43545), (570, 34836), (684, 29030), (760, 26127), (855, 23224), (1140, 17418), (1368, 14515), (1710, 11612), (2280, 8709), (2903, 6840), (3420, 5806)]