18506438

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 30927744

約数和(自身を除く): 12421306

約数列:

[1, 2, 17, 34, 37, 47, 74, 94, 313, 626, 629, 799, 1258, 1598, 1739, 3478, 5321, 10642, 11581, 14711, 23162, 29422, 29563, 59126, 196877, 250087, 393754, 500174, 544307, 1088614, 9253219, 18506438]

約数ペア:

[(1, 18506438), (2, 9253219), (17, 1088614), (34, 544307), (37, 500174), (47, 393754), (74, 250087), (94, 196877), (313, 59126), (626, 29563), (629, 29422), (799, 23162), (1258, 14711), (1598, 11581), (1739, 10642), (3478, 5321)]