1989490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 3885120

約数和(自身を除く): 1895630

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 283, 370, 566, 703, 1406, 1415, 2830, 3515, 5377, 7030, 10471, 10754, 20942, 26885, 52355, 53770, 104710, 198949, 397898, 994745, 1989490]

約数ペア:

[(1, 1989490), (2, 994745), (5, 397898), (10, 198949), (19, 104710), (37, 53770), (38, 52355), (74, 26885), (95, 20942), (185, 10754), (190, 10471), (283, 7030), (370, 5377), (566, 3515), (703, 2830), (1406, 1415)]