18535580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3079}}^1$

素因数の和:3138

約数の個数: 48

約数和(自身を含む): 45534720

約数和(自身を除く): 26999140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 3079, 6020, 6158, 12316, 15395, 21553, 30790, 43106, 61580, 86212, 107765, 132397, 215530, 264794, 431060, 529588, 661985, 926779, 1323970, 1853558, 2647940, 3707116, 4633895, 9267790, 18535580]

約数ペア:

[(1, 18535580), (2, 9267790), (4, 4633895), (5, 3707116), (7, 2647940), (10, 1853558), (14, 1323970), (20, 926779), (28, 661985), (35, 529588), (43, 431060), (70, 264794), (86, 215530), (140, 132397), (172, 107765), (215, 86212), (301, 61580), (430, 43106), (602, 30790), (860, 21553), (1204, 15395), (1505, 12316), (3010, 6158), (3079, 6020)]