1989460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9043}}^1$

素因数の和:9063

約数の個数: 24

約数和(自身を含む): 4558176

約数和(自身を除く): 2568716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9043, 18086, 36172, 45215, 90430, 99473, 180860, 198946, 397892, 497365, 994730, 1989460]

約数ペア:

[(1, 1989460), (2, 994730), (4, 497365), (5, 397892), (10, 198946), (11, 180860), (20, 99473), (22, 90430), (44, 45215), (55, 36172), (110, 18086), (220, 9043)]