19319140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56821}}^1$

素因数の和:56847

約数の個数: 24

約数和(自身を含む): 42957432

約数和(自身を除く): 23638292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56821, 113642, 227284, 284105, 568210, 965957, 1136420, 1931914, 3863828, 4829785, 9659570, 19319140]

約数ペア:

[(1, 19319140), (2, 9659570), (4, 4829785), (5, 3863828), (10, 1931914), (17, 1136420), (20, 965957), (34, 568210), (68, 284105), (85, 227284), (170, 113642), (340, 56821)]