19284590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11411}}^1$

素因数の和:11444

約数の個数: 24

約数和(自身を含む): 37591128

約数和(自身を除く): 18306538

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11411, 22822, 57055, 114110, 148343, 296686, 741715, 1483430, 1928459, 3856918, 9642295, 19284590]

約数ペア:

[(1, 19284590), (2, 9642295), (5, 3856918), (10, 1928459), (13, 1483430), (26, 741715), (65, 296686), (130, 148343), (169, 114110), (338, 57055), (845, 22822), (1690, 11411)]