18418260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43853}}^1$

素因数の和:43872

約数の個数: 48

約数和(自身を含む): 58939776

約数和(自身を除く): 40521516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43853, 87706, 131559, 175412, 219265, 263118, 306971, 438530, 526236, 613942, 657795, 877060, 920913, 1227884, 1315590, 1534855, 1841826, 2631180, 3069710, 3683652, 4604565, 6139420, 9209130, 18418260]

約数ペア:

[(1, 18418260), (2, 9209130), (3, 6139420), (4, 4604565), (5, 3683652), (6, 3069710), (7, 2631180), (10, 1841826), (12, 1534855), (14, 1315590), (15, 1227884), (20, 920913), (21, 877060), (28, 657795), (30, 613942), (35, 526236), (42, 438530), (60, 306971), (70, 263118), (84, 219265), (105, 175412), (140, 131559), (210, 87706), (420, 43853)]