18669285

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1535

約数の個数: 40

約数和(自身を含む): 34569216

約数和(自身を除く): 15899931

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 1487, 2511, 4185, 4461, 7435, 12555, 13383, 22305, 40149, 46097, 66915, 120447, 138291, 200745, 230485, 414873, 602235, 691455, 1244619, 2074365, 3733857, 6223095, 18669285]

約数ペア:

[(1, 18669285), (3, 6223095), (5, 3733857), (9, 2074365), (15, 1244619), (27, 691455), (31, 602235), (45, 414873), (81, 230485), (93, 200745), (135, 138291), (155, 120447), (279, 66915), (405, 46097), (465, 40149), (837, 22305), (1395, 13383), (1487, 12555), (2511, 7435), (4185, 4461)]