17820290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 34266240

約数和(自身を除く): 16445950

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1321, 1349, 2642, 2698, 6605, 6745, 13210, 13490, 25099, 50198, 93791, 125495, 187582, 250990, 468955, 937910, 1782029, 3564058, 8910145, 17820290]

約数ペア:

[(1, 17820290), (2, 8910145), (5, 3564058), (10, 1782029), (19, 937910), (38, 468955), (71, 250990), (95, 187582), (142, 125495), (190, 93791), (355, 50198), (710, 25099), (1321, 13490), (1349, 13210), (2642, 6745), (2698, 6605)]