18614778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 46405632

約数和(自身を除く): 27790854

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 103, 182, 206, 273, 309, 331, 546, 618, 662, 721, 993, 1339, 1442, 1986, 2163, 2317, 2678, 4017, 4303, 4326, 4634, 6951, 8034, 8606, 9373, 12909, 13902, 18746, 25818, 28119, 30121, 34093, 56238, 60242, 68186, 90363, 102279, 180726, 204558, 238651, 443209, 477302, 715953, 886418, 1329627, 1431906, 2659254, 3102463, 6204926, 9307389, 18614778]

約数ペア:

[(1, 18614778), (2, 9307389), (3, 6204926), (6, 3102463), (7, 2659254), (13, 1431906), (14, 1329627), (21, 886418), (26, 715953), (39, 477302), (42, 443209), (78, 238651), (91, 204558), (103, 180726), (182, 102279), (206, 90363), (273, 68186), (309, 60242), (331, 56238), (546, 34093), (618, 30121), (662, 28119), (721, 25818), (993, 18746), (1339, 13902), (1442, 12909), (1986, 9373), (2163, 8606), (2317, 8034), (2678, 6951), (4017, 4634), (4303, 4326)]