18564540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1117}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 52215072

約数和(自身を除く): 33650532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1117, 1385, 1662, 2234, 2770, 3324, 3351, 4155, 4468, 5540, 5585, 6702, 8310, 11170, 13404, 16620, 16755, 22340, 33510, 67020, 309409, 618818, 928227, 1237636, 1547045, 1856454, 3094090, 3712908, 4641135, 6188180, 9282270, 18564540]

約数ペア:

[(1, 18564540), (2, 9282270), (3, 6188180), (4, 4641135), (5, 3712908), (6, 3094090), (10, 1856454), (12, 1547045), (15, 1237636), (20, 928227), (30, 618818), (60, 309409), (277, 67020), (554, 33510), (831, 22340), (1108, 16755), (1117, 16620), (1385, 13404), (1662, 11170), (2234, 8310), (2770, 6702), (3324, 5585), (3351, 5540), (4155, 4468)]