19472886

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1693}}^1$

素因数の和:1778

約数の個数: 40

約数和(自身を含む): 44274384

約数和(自身を除く): 24801498

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1693, 1917, 3386, 3834, 5079, 5751, 10158, 11502, 15237, 30474, 45711, 91422, 120203, 137133, 240406, 274266, 360609, 721218, 1081827, 2163654, 3245481, 6490962, 9736443, 19472886]

約数ペア:

[(1, 19472886), (2, 9736443), (3, 6490962), (6, 3245481), (9, 2163654), (18, 1081827), (27, 721218), (54, 360609), (71, 274266), (81, 240406), (142, 137133), (162, 120203), (213, 91422), (426, 45711), (639, 30474), (1278, 15237), (1693, 11502), (1917, 10158), (3386, 5751), (3834, 5079)]