19973362

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{1163}}^1$

素因数の和:1473

約数の個数: 16

約数和(自身を含む): 31064832

約数和(自身を除く): 11091470

約数列:

[1, 2, 31, 62, 277, 554, 1163, 2326, 8587, 17174, 36053, 72106, 322151, 644302, 9986681, 19973362]

約数ペア:

[(1, 19973362), (2, 9986681), (31, 644302), (62, 322151), (277, 72106), (554, 36053), (1163, 17174), (2326, 8587)]