18593415

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3203}}^1$

素因数の和:3260

約数の個数: 32

約数和(自身を含む): 33834240

約数和(自身を除く): 15240825

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 3203, 5805, 9609, 16015, 28827, 48045, 86481, 137729, 144135, 413187, 432405, 688645, 1239561, 2065935, 3718683, 6197805, 18593415]

約数ペア:

[(1, 18593415), (3, 6197805), (5, 3718683), (9, 2065935), (15, 1239561), (27, 688645), (43, 432405), (45, 413187), (129, 144135), (135, 137729), (215, 86481), (387, 48045), (645, 28827), (1161, 16015), (1935, 9609), (3203, 5805)]