19639760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2063}}^1$

素因数の和:2100

約数の個数: 80

約数和(自身を含む): 55282176

約数和(自身を除く): 35642416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2063, 2380, 4126, 4760, 8252, 9520, 10315, 14441, 16504, 20630, 28882, 33008, 35071, 41260, 57764, 70142, 72205, 82520, 115528, 140284, 144410, 165040, 175355, 231056, 245497, 280568, 288820, 350710, 490994, 561136, 577640, 701420, 981988, 1155280, 1227485, 1402840, 1963976, 2454970, 2805680, 3927952, 4909940, 9819880, 19639760]

約数ペア:

[(1, 19639760), (2, 9819880), (4, 4909940), (5, 3927952), (7, 2805680), (8, 2454970), (10, 1963976), (14, 1402840), (16, 1227485), (17, 1155280), (20, 981988), (28, 701420), (34, 577640), (35, 561136), (40, 490994), (56, 350710), (68, 288820), (70, 280568), (80, 245497), (85, 231056), (112, 175355), (119, 165040), (136, 144410), (140, 140284), (170, 115528), (238, 82520), (272, 72205), (280, 70142), (340, 57764), (476, 41260), (560, 35071), (595, 33008), (680, 28882), (952, 20630), (1190, 16504), (1360, 14441), (1904, 10315), (2063, 9520), (2380, 8252), (4126, 4760)]