19269045

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 34998912

約数和(自身を除く): 15729867

約数列:

[1, 3, 5, 9, 15, 37, 45, 71, 111, 163, 185, 213, 333, 355, 489, 555, 639, 815, 1065, 1467, 1665, 2445, 2627, 3195, 6031, 7335, 7881, 11573, 13135, 18093, 23643, 30155, 34719, 39405, 54279, 57865, 90465, 104157, 118215, 173595, 271395, 428201, 520785, 1284603, 2141005, 3853809, 6423015, 19269045]

約数ペア:

[(1, 19269045), (3, 6423015), (5, 3853809), (9, 2141005), (15, 1284603), (37, 520785), (45, 428201), (71, 271395), (111, 173595), (163, 118215), (185, 104157), (213, 90465), (333, 57865), (355, 54279), (489, 39405), (555, 34719), (639, 30155), (815, 23643), (1065, 18093), (1467, 13135), (1665, 11573), (2445, 7881), (2627, 7335), (3195, 6031)]