18208866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 41247360

約数和(自身を除く): 23038494

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 61, 78, 86, 89, 122, 129, 178, 183, 258, 267, 366, 534, 559, 793, 1118, 1157, 1586, 1677, 2314, 2379, 2623, 3354, 3471, 3827, 4758, 5246, 5429, 6942, 7654, 7869, 10858, 11481, 15738, 16287, 22962, 32574, 34099, 49751, 68198, 70577, 99502, 102297, 141154, 149253, 204594, 211731, 233447, 298506, 423462, 466894, 700341, 1400682, 3034811, 6069622, 9104433, 18208866]

約数ペア:

[(1, 18208866), (2, 9104433), (3, 6069622), (6, 3034811), (13, 1400682), (26, 700341), (39, 466894), (43, 423462), (61, 298506), (78, 233447), (86, 211731), (89, 204594), (122, 149253), (129, 141154), (178, 102297), (183, 99502), (258, 70577), (267, 68198), (366, 49751), (534, 34099), (559, 32574), (793, 22962), (1118, 16287), (1157, 15738), (1586, 11481), (1677, 10858), (2314, 7869), (2379, 7654), (2623, 6942), (3354, 5429), (3471, 5246), (3827, 4758)]