19877067

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5953}}^1$

素因数の和:6019

約数の個数: 24

約数和(自身を含む): 33437664

約数和(自身を除く): 13560597

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 5953, 17859, 41671, 53577, 125013, 315509, 375039, 946527, 2208563, 2839581, 6625689, 19877067]

約数ペア:

[(1, 19877067), (3, 6625689), (7, 2839581), (9, 2208563), (21, 946527), (53, 375039), (63, 315509), (159, 125013), (371, 53577), (477, 41671), (1113, 17859), (3339, 5953)]