19810230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 52316928

約数和(自身を除く): 32506698

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 173, 330, 346, 347, 519, 694, 865, 1038, 1041, 1730, 1735, 1903, 2082, 2595, 3470, 3806, 3817, 5190, 5205, 5709, 7634, 9515, 10410, 11418, 11451, 19030, 19085, 22902, 28545, 38170, 57090, 57255, 60031, 114510, 120062, 180093, 300155, 360186, 600310, 660341, 900465, 1320682, 1800930, 1981023, 3301705, 3962046, 6603410, 9905115, 19810230]

約数ペア:

[(1, 19810230), (2, 9905115), (3, 6603410), (5, 3962046), (6, 3301705), (10, 1981023), (11, 1800930), (15, 1320682), (22, 900465), (30, 660341), (33, 600310), (55, 360186), (66, 300155), (110, 180093), (165, 120062), (173, 114510), (330, 60031), (346, 57255), (347, 57090), (519, 38170), (694, 28545), (865, 22902), (1038, 19085), (1041, 19030), (1730, 11451), (1735, 11418), (1903, 10410), (2082, 9515), (2595, 7634), (3470, 5709), (3806, 5205), (3817, 5190)]