17999996060

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{140603}}^1$

素因数の和:140822

約数の個数: 48

約数和(自身を含む): 39046293216

約数和(自身を除く): 21046297156

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 173, 185, 346, 370, 692, 740, 865, 1730, 3460, 6401, 12802, 25604, 32005, 64010, 128020, 140603, 281206, 562412, 703015, 1406030, 2812060, 5202311, 10404622, 20809244, 24324319, 26011555, 48648638, 52023110, 97297276, 104046220, 121621595, 243243190, 486486380, 899999803, 1799999606, 3599999212, 4499999015, 8999998030, 17999996060]

約数ペア:

[(1, 17999996060), (2, 8999998030), (4, 4499999015), (5, 3599999212), (10, 1799999606), (20, 899999803), (37, 486486380), (74, 243243190), (148, 121621595), (173, 104046220), (185, 97297276), (346, 52023110), (370, 48648638), (692, 26011555), (740, 24324319), (865, 20809244), (1730, 10404622), (3460, 5202311), (6401, 2812060), (12802, 1406030), (25604, 703015), (32005, 562412), (64010, 281206), (128020, 140603)]