19945090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5849}}^1$

素因数の和:5898

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 20490110

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 5849, 11698, 29245, 58490, 64339, 128678, 181319, 321695, 362638, 643390, 906595, 1813190, 1994509, 3989018, 9972545, 19945090]

約数ペア:

[(1, 19945090), (2, 9972545), (5, 3989018), (10, 1994509), (11, 1813190), (22, 906595), (31, 643390), (55, 362638), (62, 321695), (110, 181319), (155, 128678), (310, 64339), (341, 58490), (682, 29245), (1705, 11698), (3410, 5849)]