19393940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57041}}^1$

素因数の和:57067

約数の個数: 24

約数和(自身を含む): 43123752

約数和(自身を除く): 23729812

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57041, 114082, 228164, 285205, 570410, 969697, 1140820, 1939394, 3878788, 4848485, 9696970, 19393940]

約数ペア:

[(1, 19393940), (2, 9696970), (4, 4848485), (5, 3878788), (10, 1939394), (17, 1140820), (20, 969697), (34, 570410), (68, 285205), (85, 228164), (170, 114082), (340, 57041)]