18590095

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 25411968

約数和(自身を除く): 6821873

約数列:

[1, 5, 17, 23, 37, 85, 115, 185, 257, 391, 629, 851, 1285, 1955, 3145, 4255, 4369, 5911, 9509, 14467, 21845, 29555, 47545, 72335, 100487, 161653, 218707, 502435, 808265, 1093535, 3718019, 18590095]

約数ペア:

[(1, 18590095), (5, 3718019), (17, 1093535), (23, 808265), (37, 502435), (85, 218707), (115, 161653), (185, 100487), (257, 72335), (391, 47545), (629, 29555), (851, 21845), (1285, 14467), (1955, 9509), (3145, 5911), (4255, 4369)]