17994620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1627}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 43760640

約数和(自身を除く): 25766020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 1627, 2212, 2765, 3254, 5530, 6508, 8135, 11060, 11389, 16270, 22778, 32540, 45556, 56945, 113890, 128533, 227780, 257066, 514132, 642665, 899731, 1285330, 1799462, 2570660, 3598924, 4498655, 8997310, 17994620]

約数ペア:

[(1, 17994620), (2, 8997310), (4, 4498655), (5, 3598924), (7, 2570660), (10, 1799462), (14, 1285330), (20, 899731), (28, 642665), (35, 514132), (70, 257066), (79, 227780), (140, 128533), (158, 113890), (316, 56945), (395, 45556), (553, 32540), (790, 22778), (1106, 16270), (1580, 11389), (1627, 11060), (2212, 8135), (2765, 6508), (3254, 5530)]