18992120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67829}}^1$

素因数の和:67847

約数の個数: 32

約数和(自身を含む): 48837600

約数和(自身を除く): 29845480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67829, 135658, 271316, 339145, 474803, 542632, 678290, 949606, 1356580, 1899212, 2374015, 2713160, 3798424, 4748030, 9496060, 18992120]

約数ペア:

[(1, 18992120), (2, 9496060), (4, 4748030), (5, 3798424), (7, 2713160), (8, 2374015), (10, 1899212), (14, 1356580), (20, 949606), (28, 678290), (35, 542632), (40, 474803), (56, 339145), (70, 271316), (140, 135658), (280, 67829)]