18739590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7907}}^1$

素因数の和:7996

約数の個数: 32

約数和(自身を含む): 45550080

約数和(自身を除く): 26810490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 7907, 15814, 23721, 39535, 47442, 79070, 118605, 237210, 624653, 1249306, 1873959, 3123265, 3747918, 6246530, 9369795, 18739590]

約数ペア:

[(1, 18739590), (2, 9369795), (3, 6246530), (5, 3747918), (6, 3123265), (10, 1873959), (15, 1249306), (30, 624653), (79, 237210), (158, 118605), (237, 79070), (395, 47442), (474, 39535), (790, 23721), (1185, 15814), (2370, 7907)]