18884268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40351}}^1$

素因数の和:40374

約数の個数: 36

約数和(自身を含む): 51408448

約数和(自身を除く): 32524180

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40351, 80702, 121053, 161404, 242106, 363159, 484212, 524563, 726318, 1049126, 1452636, 1573689, 2098252, 3147378, 4721067, 6294756, 9442134, 18884268]

約数ペア:

[(1, 18884268), (2, 9442134), (3, 6294756), (4, 4721067), (6, 3147378), (9, 2098252), (12, 1573689), (13, 1452636), (18, 1049126), (26, 726318), (36, 524563), (39, 484212), (52, 363159), (78, 242106), (117, 161404), (156, 121053), (234, 80702), (468, 40351)]