19714960

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{877}}^1$

素因数の和:1171

約数の個数: 40

約数和(自身を含む): 46052856

約数和(自身を除く): 26337896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 877, 1124, 1405, 1754, 2248, 2810, 3508, 4385, 4496, 5620, 7016, 8770, 11240, 14032, 17540, 22480, 35080, 70160, 246437, 492874, 985748, 1232185, 1971496, 2464370, 3942992, 4928740, 9857480, 19714960]

約数ペア:

[(1, 19714960), (2, 9857480), (4, 4928740), (5, 3942992), (8, 2464370), (10, 1971496), (16, 1232185), (20, 985748), (40, 492874), (80, 246437), (281, 70160), (562, 35080), (877, 22480), (1124, 17540), (1405, 14032), (1754, 11240), (2248, 8770), (2810, 7016), (3508, 5620), (4385, 4496)]