19770870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3037}}^1$

素因数の和:3085

約数の個数: 64

約数和(自身を含む): 55996416

約数和(自身を除く): 36225546

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3037, 3255, 6074, 6510, 9111, 15185, 18222, 21259, 30370, 42518, 45555, 63777, 91110, 94147, 106295, 127554, 188294, 212590, 282441, 318885, 470735, 564882, 637770, 659029, 941470, 1318058, 1412205, 1977087, 2824410, 3295145, 3954174, 6590290, 9885435, 19770870]

約数ペア:

[(1, 19770870), (2, 9885435), (3, 6590290), (5, 3954174), (6, 3295145), (7, 2824410), (10, 1977087), (14, 1412205), (15, 1318058), (21, 941470), (30, 659029), (31, 637770), (35, 564882), (42, 470735), (62, 318885), (70, 282441), (93, 212590), (105, 188294), (155, 127554), (186, 106295), (210, 94147), (217, 91110), (310, 63777), (434, 45555), (465, 42518), (651, 30370), (930, 21259), (1085, 18222), (1302, 15185), (2170, 9111), (3037, 6510), (3255, 6074)]