18842895

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4813}}^1$

素因数の和:4856

約数の個数: 32

約数和(自身を含む): 34660800

約数和(自身を除く): 15817905

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 4813, 14439, 24065, 43317, 72195, 129951, 139577, 216585, 418731, 649755, 697885, 1256193, 2093655, 3768579, 6280965, 18842895]

約数ペア:

[(1, 18842895), (3, 6280965), (5, 3768579), (9, 2093655), (15, 1256193), (27, 697885), (29, 649755), (45, 418731), (87, 216585), (135, 139577), (145, 129951), (261, 72195), (435, 43317), (783, 24065), (1305, 14439), (3915, 4813)]