17806120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2731}}^1$

素因数の和:2905

約数の個数: 32

約数和(自身を含む): 40324320

約数和(自身を除く): 22518200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 2731, 3260, 5462, 6520, 10924, 13655, 21848, 27310, 54620, 109240, 445153, 890306, 1780612, 2225765, 3561224, 4451530, 8903060, 17806120]

約数ペア:

[(1, 17806120), (2, 8903060), (4, 4451530), (5, 3561224), (8, 2225765), (10, 1780612), (20, 890306), (40, 445153), (163, 109240), (326, 54620), (652, 27310), (815, 21848), (1304, 13655), (1630, 10924), (2731, 6520), (3260, 5462)]