19705770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1060

約数の個数: 96

約数和(自身を含む): 60503040

約数和(自身を除く): 40797270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 1009, 1085, 1302, 1395, 1953, 2018, 2170, 2790, 3027, 3255, 3906, 5045, 6054, 6510, 7063, 9081, 9765, 10090, 14126, 15135, 18162, 19530, 21189, 30270, 31279, 35315, 42378, 45405, 62558, 63567, 70630, 90810, 93837, 105945, 127134, 156395, 187674, 211890, 218953, 281511, 312790, 317835, 437906, 469185, 563022, 635670, 656859, 938370, 1094765, 1313718, 1407555, 1970577, 2189530, 2815110, 3284295, 3941154, 6568590, 9852885, 19705770]

約数ペア:

[(1, 19705770), (2, 9852885), (3, 6568590), (5, 3941154), (6, 3284295), (7, 2815110), (9, 2189530), (10, 1970577), (14, 1407555), (15, 1313718), (18, 1094765), (21, 938370), (30, 656859), (31, 635670), (35, 563022), (42, 469185), (45, 437906), (62, 317835), (63, 312790), (70, 281511), (90, 218953), (93, 211890), (105, 187674), (126, 156395), (155, 127134), (186, 105945), (210, 93837), (217, 90810), (279, 70630), (310, 63567), (315, 62558), (434, 45405), (465, 42378), (558, 35315), (630, 31279), (651, 30270), (930, 21189), (1009, 19530), (1085, 18162), (1302, 15135), (1395, 14126), (1953, 10090), (2018, 9765), (2170, 9081), (2790, 7063), (3027, 6510), (3255, 6054), (3906, 5045)]