19367986

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:678

約数の個数: 24

約数和(自身を含む): 32194512

約数和(自身を除く): 12826526

約数列:

[1, 2, 11, 22, 121, 163, 242, 326, 491, 982, 1793, 3586, 5401, 10802, 19723, 39446, 59411, 80033, 118822, 160066, 880363, 1760726, 9683993, 19367986]

約数ペア:

[(1, 19367986), (2, 9683993), (11, 1760726), (22, 880363), (121, 160066), (163, 118822), (242, 80033), (326, 59411), (491, 39446), (982, 19723), (1793, 10802), (3586, 5401)]