19485670

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 17009690

約数列:

[1, 2, 5, 10, 31, 62, 155, 239, 263, 310, 478, 526, 1195, 1315, 2390, 2630, 7409, 8153, 14818, 16306, 37045, 40765, 62857, 74090, 81530, 125714, 314285, 628570, 1948567, 3897134, 9742835, 19485670]

約数ペア:

[(1, 19485670), (2, 9742835), (5, 3897134), (10, 1948567), (31, 628570), (62, 314285), (155, 125714), (239, 81530), (263, 74090), (310, 62857), (478, 40765), (526, 37045), (1195, 16306), (1315, 14818), (2390, 8153), (2630, 7409)]