18208665

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4651}}^1$

素因数の和:4694

約数の個数: 32

約数和(自身を含む): 33494400

約数和(自身を除く): 15285735

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 4651, 13953, 23255, 41859, 69765, 125577, 134879, 209295, 404637, 627885, 674395, 1213911, 2023185, 3641733, 6069555, 18208665]

約数ペア:

[(1, 18208665), (3, 6069555), (5, 3641733), (9, 2023185), (15, 1213911), (27, 674395), (29, 627885), (45, 404637), (87, 209295), (135, 134879), (145, 125577), (261, 69765), (435, 41859), (783, 23255), (1305, 13953), (3915, 4651)]