201819812

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 372970752

約数和(自身を除く): 171150940

約数列:

[1, 2, 4, 43, 67, 83, 86, 134, 166, 172, 211, 268, 332, 422, 844, 2881, 3569, 5561, 5762, 7138, 9073, 11122, 11524, 14137, 14276, 17513, 18146, 22244, 28274, 35026, 36292, 56548, 70052, 239123, 478246, 607891, 753059, 956492, 1173371, 1215782, 1506118, 2346742, 2431564, 3012236, 4693484, 50454953, 100909906, 201819812]

約数ペア:

[(1, 201819812), (2, 100909906), (4, 50454953), (43, 4693484), (67, 3012236), (83, 2431564), (86, 2346742), (134, 1506118), (166, 1215782), (172, 1173371), (211, 956492), (268, 753059), (332, 607891), (422, 478246), (844, 239123), (2881, 70052), (3569, 56548), (5561, 36292), (5762, 35026), (7138, 28274), (9073, 22244), (11122, 18146), (11524, 17513), (14137, 14276)]