19917315

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40237}}^1$

素因数の和:40259

約数の個数: 24

約数和(自身を含む): 37662768

約数和(自身を除く): 17745453

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40237, 120711, 201185, 362133, 442607, 603555, 1327821, 1810665, 2213035, 3983463, 6639105, 19917315]

約数ペア:

[(1, 19917315), (3, 6639105), (5, 3983463), (9, 2213035), (11, 1810665), (15, 1327821), (33, 603555), (45, 442607), (55, 362133), (99, 201185), (165, 120711), (495, 40237)]