18931725

素因数分解:

$3^4\times 5^2\times {\mathrm{9349}}^1$

素因数の和:9371

約数の個数: 30

約数和(自身を含む): 35071850

約数和(自身を除く): 16140125

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9349, 28047, 46745, 84141, 140235, 233725, 252423, 420705, 701175, 757269, 1262115, 2103525, 3786345, 6310575, 18931725]

約数ペア:

[(1, 18931725), (3, 6310575), (5, 3786345), (9, 2103525), (15, 1262115), (25, 757269), (27, 701175), (45, 420705), (75, 252423), (81, 233725), (135, 140235), (225, 84141), (405, 46745), (675, 28047), (2025, 9349)]