18677996

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 36

約数和(自身を含む): 34866216

約数和(自身を除く): 16188220

約数列:

[1, 2, 4, 31, 43, 62, 86, 113, 124, 172, 226, 452, 961, 1333, 1922, 2666, 3503, 3844, 4859, 5332, 7006, 9718, 14012, 19436, 41323, 82646, 108593, 150629, 165292, 217186, 301258, 434372, 602516, 4669499, 9338998, 18677996]

約数ペア:

[(1, 18677996), (2, 9338998), (4, 4669499), (31, 602516), (43, 434372), (62, 301258), (86, 217186), (113, 165292), (124, 150629), (172, 108593), (226, 82646), (452, 41323), (961, 19436), (1333, 14012), (1922, 9718), (2666, 7006), (3503, 5332), (3844, 4859)]