19701812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9241}}^1$

素因数の和:9299

約数の個数: 24

約数和(自身を含む): 38040072

約数和(自身を除く): 18338260

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 9241, 18482, 36964, 120133, 240266, 378881, 480532, 757762, 1515524, 4925453, 9850906, 19701812]

約数ペア:

[(1, 19701812), (2, 9850906), (4, 4925453), (13, 1515524), (26, 757762), (41, 480532), (52, 378881), (82, 240266), (164, 120133), (533, 36964), (1066, 18482), (2132, 9241)]