18621736

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1741}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 40135680

約数和(自身を除く): 21513944

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 1741, 2674, 3482, 5348, 6964, 10696, 12187, 13928, 24374, 48748, 97496, 332531, 665062, 1330124, 2327717, 2660248, 4655434, 9310868, 18621736]

約数ペア:

[(1, 18621736), (2, 9310868), (4, 4655434), (7, 2660248), (8, 2327717), (14, 1330124), (28, 665062), (56, 332531), (191, 97496), (382, 48748), (764, 24374), (1337, 13928), (1528, 12187), (1741, 10696), (2674, 6964), (3482, 5348)]