18009396

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 47392800

約数和(自身を除く): 29383404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 61, 118, 122, 139, 177, 183, 236, 244, 278, 354, 366, 417, 531, 549, 556, 708, 732, 834, 1062, 1098, 1251, 1668, 2124, 2196, 2502, 3599, 5004, 7198, 8201, 8479, 10797, 14396, 16402, 16958, 21594, 24603, 25437, 32391, 32804, 33916, 43188, 49206, 50874, 64782, 73809, 76311, 98412, 101748, 129564, 147618, 152622, 295236, 305244, 500261, 1000522, 1500783, 2001044, 3001566, 4502349, 6003132, 9004698, 18009396]

約数ペア:

[(1, 18009396), (2, 9004698), (3, 6003132), (4, 4502349), (6, 3001566), (9, 2001044), (12, 1500783), (18, 1000522), (36, 500261), (59, 305244), (61, 295236), (118, 152622), (122, 147618), (139, 129564), (177, 101748), (183, 98412), (236, 76311), (244, 73809), (278, 64782), (354, 50874), (366, 49206), (417, 43188), (531, 33916), (549, 32804), (556, 32391), (708, 25437), (732, 24603), (834, 21594), (1062, 16958), (1098, 16402), (1251, 14396), (1668, 10797), (2124, 8479), (2196, 8201), (2502, 7198), (3599, 5004)]