18310955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 25510464

約数和(自身を除く): 7199509

約数列:

[1, 5, 13, 17, 65, 73, 85, 221, 227, 365, 949, 1105, 1135, 1241, 2951, 3859, 4745, 6205, 14755, 16133, 16571, 19295, 50167, 80665, 82855, 215423, 250835, 281707, 1077115, 1408535, 3662191, 18310955]

約数ペア:

[(1, 18310955), (5, 3662191), (13, 1408535), (17, 1077115), (65, 281707), (73, 250835), (85, 215423), (221, 82855), (227, 80665), (365, 50167), (949, 19295), (1105, 16571), (1135, 16133), (1241, 14755), (2951, 6205), (3859, 4745)]