18289245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1413

約数の個数: 32

約数和(自身を含む): 31981824

約数和(自身を除く): 13692579

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 923, 1065, 1321, 2769, 3963, 4615, 6605, 13845, 17173, 19815, 51519, 85865, 93791, 257595, 281373, 468955, 1219283, 1406865, 3657849, 6096415, 18289245]

約数ペア:

[(1, 18289245), (3, 6096415), (5, 3657849), (13, 1406865), (15, 1219283), (39, 468955), (65, 281373), (71, 257595), (195, 93791), (213, 85865), (355, 51519), (923, 19815), (1065, 17173), (1321, 13845), (2769, 6605), (3963, 4615)]