19538226

素因数分解:

$2^1\times 3^3\times {\mathrm{181}}^1\times {\mathrm{1999}}^1$

素因数の和:2191

約数の個数: 32

約数和(自身を含む): 43680000

約数和(自身を除く): 24141774

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 181, 362, 543, 1086, 1629, 1999, 3258, 3998, 4887, 5997, 9774, 11994, 17991, 35982, 53973, 107946, 361819, 723638, 1085457, 2170914, 3256371, 6512742, 9769113, 19538226]

約数ペア:

[(1, 19538226), (2, 9769113), (3, 6512742), (6, 3256371), (9, 2170914), (18, 1085457), (27, 723638), (54, 361819), (181, 107946), (362, 53973), (543, 35982), (1086, 17991), (1629, 11994), (1999, 9774), (3258, 5997), (3998, 4887)]