19221490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:954

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 17066510

約数列:

[1, 2, 5, 10, 29, 58, 79, 145, 158, 290, 395, 790, 839, 1678, 2291, 4195, 4582, 8390, 11455, 22910, 24331, 48662, 66281, 121655, 132562, 243310, 331405, 662810, 1922149, 3844298, 9610745, 19221490]

約数ペア:

[(1, 19221490), (2, 9610745), (5, 3844298), (10, 1922149), (29, 662810), (58, 331405), (79, 243310), (145, 132562), (158, 121655), (290, 66281), (395, 48662), (790, 24331), (839, 22910), (1678, 11455), (2291, 8390), (4195, 4582)]