18381816

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1530

約数の個数: 80

約数和(自身を含む): 54232200

約数和(自身を除く): 35850384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 324, 342, 456, 513, 648, 684, 1026, 1368, 1493, 1539, 2052, 2986, 3078, 4104, 4479, 5972, 6156, 8958, 11944, 12312, 13437, 17916, 26874, 28367, 35832, 40311, 53748, 56734, 80622, 85101, 107496, 113468, 120933, 161244, 170202, 226936, 241866, 255303, 322488, 340404, 483732, 510606, 680808, 765909, 967464, 1021212, 1531818, 2042424, 2297727, 3063636, 4595454, 6127272, 9190908, 18381816]

約数ペア:

[(1, 18381816), (2, 9190908), (3, 6127272), (4, 4595454), (6, 3063636), (8, 2297727), (9, 2042424), (12, 1531818), (18, 1021212), (19, 967464), (24, 765909), (27, 680808), (36, 510606), (38, 483732), (54, 340404), (57, 322488), (72, 255303), (76, 241866), (81, 226936), (108, 170202), (114, 161244), (152, 120933), (162, 113468), (171, 107496), (216, 85101), (228, 80622), (324, 56734), (342, 53748), (456, 40311), (513, 35832), (648, 28367), (684, 26874), (1026, 17916), (1368, 13437), (1493, 12312), (1539, 11944), (2052, 8958), (2986, 6156), (3078, 5972), (4104, 4479)]