19561186

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 32666112

約数和(自身を除く): 13104926

約数列:

[1, 2, 17, 31, 34, 62, 67, 134, 277, 527, 554, 1054, 1139, 2077, 2278, 4154, 4709, 8587, 9418, 17174, 18559, 35309, 37118, 70618, 145979, 291958, 315503, 575329, 631006, 1150658, 9780593, 19561186]

約数ペア:

[(1, 19561186), (2, 9780593), (17, 1150658), (31, 631006), (34, 575329), (62, 315503), (67, 291958), (134, 145979), (277, 70618), (527, 37118), (554, 35309), (1054, 18559), (1139, 17174), (2077, 9418), (2278, 8587), (4154, 4709)]