18216716

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{677}}^1$

素因数の和:750

約数の個数: 36

約数和(自身を含む): 37702224

約数和(自身を除く): 19485508

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 677, 868, 961, 1354, 1922, 2708, 3844, 4739, 6727, 9478, 13454, 18956, 20987, 26908, 41974, 83948, 146909, 293818, 587636, 650597, 1301194, 2602388, 4554179, 9108358, 18216716]

約数ペア:

[(1, 18216716), (2, 9108358), (4, 4554179), (7, 2602388), (14, 1301194), (28, 650597), (31, 587636), (62, 293818), (124, 146909), (217, 83948), (434, 41974), (677, 26908), (868, 20987), (961, 18956), (1354, 13454), (1922, 9478), (2708, 6727), (3844, 4739)]