18189290

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5303}}^1$

素因数の和:5331

約数の個数: 32

約数和(自身を含む): 38188800

約数和(自身を除く): 19999510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5303, 10606, 26515, 37121, 53030, 74242, 185605, 259847, 371210, 519694, 1299235, 1818929, 2598470, 3637858, 9094645, 18189290]

約数ペア:

[(1, 18189290), (2, 9094645), (5, 3637858), (7, 2598470), (10, 1818929), (14, 1299235), (35, 519694), (49, 371210), (70, 259847), (98, 185605), (245, 74242), (343, 53030), (490, 37121), (686, 26515), (1715, 10606), (3430, 5303)]