19202085

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1297}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 38877696

約数和(自身を除く): 19675611

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1297, 1645, 2115, 2961, 3891, 4935, 6485, 9079, 11673, 14805, 19455, 27237, 45395, 58365, 60959, 81711, 136185, 182877, 304795, 408555, 426713, 548631, 914385, 1280139, 2133565, 2743155, 3840417, 6400695, 19202085]

約数ペア:

[(1, 19202085), (3, 6400695), (5, 3840417), (7, 2743155), (9, 2133565), (15, 1280139), (21, 914385), (35, 548631), (45, 426713), (47, 408555), (63, 304795), (105, 182877), (141, 136185), (235, 81711), (315, 60959), (329, 58365), (423, 45395), (705, 27237), (987, 19455), (1297, 14805), (1645, 11673), (2115, 9079), (2961, 6485), (3891, 4935)]