18145358

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 19179442

約数列:

[1, 2, 7, 11, 14, 17, 22, 29, 34, 58, 77, 119, 154, 187, 203, 238, 239, 319, 374, 406, 478, 493, 638, 986, 1309, 1673, 2233, 2618, 2629, 3346, 3451, 4063, 4466, 5258, 5423, 6902, 6931, 8126, 10846, 13862, 18403, 28441, 36806, 37961, 44693, 48517, 56882, 75922, 76241, 89386, 97034, 117827, 152482, 235654, 312851, 533687, 625702, 824789, 1067374, 1296097, 1649578, 2592194, 9072679, 18145358]

約数ペア:

[(1, 18145358), (2, 9072679), (7, 2592194), (11, 1649578), (14, 1296097), (17, 1067374), (22, 824789), (29, 625702), (34, 533687), (58, 312851), (77, 235654), (119, 152482), (154, 117827), (187, 97034), (203, 89386), (238, 76241), (239, 75922), (319, 56882), (374, 48517), (406, 44693), (478, 37961), (493, 36806), (638, 28441), (986, 18403), (1309, 13862), (1673, 10846), (2233, 8126), (2618, 6931), (2629, 6902), (3346, 5423), (3451, 5258), (4063, 4466)]