19589080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1688

約数の個数: 64

約数和(自身を含む): 51575040

約数和(自身を除く): 31985960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1627, 1720, 2408, 3010, 3254, 6020, 6508, 8135, 11389, 12040, 13016, 16270, 22778, 32540, 45556, 56945, 65080, 69961, 91112, 113890, 139922, 227780, 279844, 349805, 455560, 489727, 559688, 699610, 979454, 1399220, 1958908, 2448635, 2798440, 3917816, 4897270, 9794540, 19589080]

約数ペア:

[(1, 19589080), (2, 9794540), (4, 4897270), (5, 3917816), (7, 2798440), (8, 2448635), (10, 1958908), (14, 1399220), (20, 979454), (28, 699610), (35, 559688), (40, 489727), (43, 455560), (56, 349805), (70, 279844), (86, 227780), (140, 139922), (172, 113890), (215, 91112), (280, 69961), (301, 65080), (344, 56945), (430, 45556), (602, 32540), (860, 22778), (1204, 16270), (1505, 13016), (1627, 12040), (1720, 11389), (2408, 8135), (3010, 6508), (3254, 6020)]