18435886

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 33011712

約数和(自身を除く): 14575826

約数列:

[1, 2, 7, 14, 31, 62, 107, 214, 217, 397, 434, 749, 794, 1498, 2779, 3317, 5558, 6634, 12307, 23219, 24614, 42479, 46438, 84958, 86149, 172298, 297353, 594706, 1316849, 2633698, 9217943, 18435886]

約数ペア:

[(1, 18435886), (2, 9217943), (7, 2633698), (14, 1316849), (31, 594706), (62, 297353), (107, 172298), (214, 86149), (217, 84958), (397, 46438), (434, 42479), (749, 24614), (794, 23219), (1498, 12307), (2779, 6634), (3317, 5558)]