19895283

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 29755440

約数和(自身を除く): 9860157

約数列:

[1, 3, 9, 43, 101, 129, 303, 387, 509, 909, 1527, 4343, 4581, 13029, 21887, 39087, 51409, 65661, 154227, 196983, 462681, 2210587, 6631761, 19895283]

約数ペア:

[(1, 19895283), (3, 6631761), (9, 2210587), (43, 462681), (101, 196983), (129, 154227), (303, 65661), (387, 51409), (509, 39087), (909, 21887), (1527, 13029), (4343, 4581)]