19385640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53849}}^1$

素因数の和:53866

約数の個数: 48

約数和(自身を含む): 63004500

約数和(自身を除く): 43618860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 53849, 107698, 161547, 215396, 269245, 323094, 430792, 484641, 538490, 646188, 807735, 969282, 1076980, 1292376, 1615470, 1938564, 2153960, 2423205, 3230940, 3877128, 4846410, 6461880, 9692820, 19385640]

約数ペア:

[(1, 19385640), (2, 9692820), (3, 6461880), (4, 4846410), (5, 3877128), (6, 3230940), (8, 2423205), (9, 2153960), (10, 1938564), (12, 1615470), (15, 1292376), (18, 1076980), (20, 969282), (24, 807735), (30, 646188), (36, 538490), (40, 484641), (45, 430792), (60, 323094), (72, 269245), (90, 215396), (120, 161547), (180, 107698), (360, 53849)]