19456812

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{12569}}^1$

素因数の和:12622

約数の個数: 36

約数和(自身を含む): 50330280

約数和(自身を除く): 30873468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 12569, 25138, 37707, 50276, 75414, 113121, 150828, 226242, 452484, 540467, 1080934, 1621401, 2161868, 3242802, 4864203, 6485604, 9728406, 19456812]

約数ペア:

[(1, 19456812), (2, 9728406), (3, 6485604), (4, 4864203), (6, 3242802), (9, 2161868), (12, 1621401), (18, 1080934), (36, 540467), (43, 452484), (86, 226242), (129, 150828), (172, 113121), (258, 75414), (387, 50276), (516, 37707), (774, 25138), (1548, 12569)]