18353517

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 32686080

約数和(自身を除く): 14332563

約数列:

[1, 3, 7, 13, 21, 23, 37, 39, 69, 79, 91, 111, 161, 237, 259, 273, 299, 481, 483, 553, 777, 851, 897, 1027, 1443, 1659, 1817, 2093, 2553, 2923, 3081, 3367, 5451, 5957, 6279, 7189, 8769, 10101, 11063, 12719, 17871, 20461, 21567, 23621, 33189, 37999, 38157, 61383, 67229, 70863, 77441, 113997, 165347, 201687, 232323, 265993, 470603, 496041, 797979, 873977, 1411809, 2621931, 6117839, 18353517]

約数ペア:

[(1, 18353517), (3, 6117839), (7, 2621931), (13, 1411809), (21, 873977), (23, 797979), (37, 496041), (39, 470603), (69, 265993), (79, 232323), (91, 201687), (111, 165347), (161, 113997), (237, 77441), (259, 70863), (273, 67229), (299, 61383), (481, 38157), (483, 37999), (553, 33189), (777, 23621), (851, 21567), (897, 20461), (1027, 17871), (1443, 12719), (1659, 11063), (1817, 10101), (2093, 8769), (2553, 7189), (2923, 6279), (3081, 5957), (3367, 5451)]