19860302

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4447}}^1$

素因数の和:4496

約数の個数: 32

約数和(自身を含む): 38430720

約数和(自身を除く): 18570418

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4447, 4466, 8894, 31129, 48917, 62258, 97834, 128963, 257926, 342419, 684838, 902741, 1418593, 1805482, 2837186, 9930151, 19860302]

約数ペア:

[(1, 19860302), (2, 9930151), (7, 2837186), (11, 1805482), (14, 1418593), (22, 902741), (29, 684838), (58, 342419), (77, 257926), (154, 128963), (203, 97834), (319, 62258), (406, 48917), (638, 31129), (2233, 8894), (4447, 4466)]