19716156

素因数分解:

$2^2\times 3^3\times {\mathrm{311}}^1\times {\mathrm{587}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 31651524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 311, 587, 622, 933, 1174, 1244, 1761, 1866, 2348, 2799, 3522, 3732, 5283, 5598, 7044, 8397, 10566, 11196, 15849, 16794, 21132, 31698, 33588, 63396, 182557, 365114, 547671, 730228, 1095342, 1643013, 2190684, 3286026, 4929039, 6572052, 9858078, 19716156]

約数ペア:

[(1, 19716156), (2, 9858078), (3, 6572052), (4, 4929039), (6, 3286026), (9, 2190684), (12, 1643013), (18, 1095342), (27, 730228), (36, 547671), (54, 365114), (108, 182557), (311, 63396), (587, 33588), (622, 31698), (933, 21132), (1174, 16794), (1244, 15849), (1761, 11196), (1866, 10566), (2348, 8397), (2799, 7044), (3522, 5598), (3732, 5283)]