18960831

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 30110400

約数和(自身を除く): 11149569

約数列:

[1, 3, 9, 17, 27, 51, 101, 153, 303, 409, 459, 909, 1227, 1717, 2727, 3681, 5151, 6953, 11043, 15453, 20859, 41309, 46359, 62577, 123927, 187731, 371781, 702253, 1115343, 2106759, 6320277, 18960831]

約数ペア:

[(1, 18960831), (3, 6320277), (9, 2106759), (17, 1115343), (27, 702253), (51, 371781), (101, 187731), (153, 123927), (303, 62577), (409, 46359), (459, 41309), (909, 20859), (1227, 15453), (1717, 11043), (2727, 6953), (3681, 5151)]