18237645

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8623}}^1$

素因数の和:8681

約数の個数: 24

約数和(自身を含む): 32288256

約数和(自身を除く): 14050611

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 8623, 25869, 43115, 77607, 129345, 388035, 405281, 1215843, 2026405, 3647529, 6079215, 18237645]

約数ペア:

[(1, 18237645), (3, 6079215), (5, 3647529), (9, 2026405), (15, 1215843), (45, 405281), (47, 388035), (141, 129345), (235, 77607), (423, 43115), (705, 25869), (2115, 8623)]