12997900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6841}}^1$

素因数の和:6874

約数の個数: 36

約数和(自身を含む): 29694280

約数和(自身を除く): 16696380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 6841, 13682, 27364, 34205, 68410, 129979, 136820, 171025, 259958, 342050, 519916, 649895, 684100, 1299790, 2599580, 3249475, 6498950, 12997900]

約数ペア:

[(1, 12997900), (2, 6498950), (4, 3249475), (5, 2599580), (10, 1299790), (19, 684100), (20, 649895), (25, 519916), (38, 342050), (50, 259958), (76, 171025), (95, 136820), (100, 129979), (190, 68410), (380, 34205), (475, 27364), (950, 13682), (1900, 6841)]