18708853128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{238463}}^1$

素因数の和:238946

約数の個数: 64

約数和(自身を含む): 53568552960

約数和(自身を除く): 34859699832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 467, 934, 1401, 1868, 2802, 3269, 3736, 5604, 6538, 9807, 11208, 13076, 19614, 26152, 39228, 78456, 238463, 476926, 715389, 953852, 1430778, 1669241, 1907704, 2861556, 3338482, 5007723, 5723112, 6676964, 10015446, 13353928, 20030892, 40061784, 111362221, 222724442, 334086663, 445448884, 668173326, 779535547, 890897768, 1336346652, 1559071094, 2338606641, 2672693304, 3118142188, 4677213282, 6236284376, 9354426564, 18708853128]

約数ペア:

[(1, 18708853128), (2, 9354426564), (3, 6236284376), (4, 4677213282), (6, 3118142188), (7, 2672693304), (8, 2338606641), (12, 1559071094), (14, 1336346652), (21, 890897768), (24, 779535547), (28, 668173326), (42, 445448884), (56, 334086663), (84, 222724442), (168, 111362221), (467, 40061784), (934, 20030892), (1401, 13353928), (1868, 10015446), (2802, 6676964), (3269, 5723112), (3736, 5007723), (5604, 3338482), (6538, 2861556), (9807, 1907704), (11208, 1669241), (13076, 1430778), (19614, 953852), (26152, 715389), (39228, 476926), (78456, 238463)]