19716680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25943}}^1$

素因数の和:25973

約数の個数: 32

約数和(自身を含む): 46699200

約数和(自身を除く): 26982520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 25943, 51886, 103772, 129715, 207544, 259430, 492917, 518860, 985834, 1037720, 1971668, 2464585, 3943336, 4929170, 9858340, 19716680]

約数ペア:

[(1, 19716680), (2, 9858340), (4, 4929170), (5, 3943336), (8, 2464585), (10, 1971668), (19, 1037720), (20, 985834), (38, 518860), (40, 492917), (76, 259430), (95, 207544), (152, 129715), (190, 103772), (380, 51886), (760, 25943)]