19981812

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{857}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 49008960

約数和(自身を除く): 29027148

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 67, 87, 116, 134, 174, 201, 268, 348, 402, 804, 857, 1714, 1943, 2571, 3428, 3886, 5142, 5829, 7772, 10284, 11658, 23316, 24853, 49706, 57419, 74559, 99412, 114838, 149118, 172257, 229676, 298236, 344514, 689028, 1665151, 3330302, 4995453, 6660604, 9990906, 19981812]

約数ペア:

[(1, 19981812), (2, 9990906), (3, 6660604), (4, 4995453), (6, 3330302), (12, 1665151), (29, 689028), (58, 344514), (67, 298236), (87, 229676), (116, 172257), (134, 149118), (174, 114838), (201, 99412), (268, 74559), (348, 57419), (402, 49706), (804, 24853), (857, 23316), (1714, 11658), (1943, 10284), (2571, 7772), (3428, 5829), (3886, 5142)]