18956252

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21839}}^1$

素因数の和:21881

約数の個数: 24

約数和(自身を含む): 39137280

約数和(自身を除く): 20181028

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21839, 43678, 87356, 152873, 305746, 611492, 677009, 1354018, 2708036, 4739063, 9478126, 18956252]

約数ペア:

[(1, 18956252), (2, 9478126), (4, 4739063), (7, 2708036), (14, 1354018), (28, 677009), (31, 611492), (62, 305746), (124, 152873), (217, 87356), (434, 43678), (868, 21839)]