19676456

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1217}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 18909784

約数列:

[1, 2, 4, 8, 43, 47, 86, 94, 172, 188, 344, 376, 1217, 2021, 2434, 4042, 4868, 8084, 9736, 16168, 52331, 57199, 104662, 114398, 209324, 228796, 418648, 457592, 2459557, 4919114, 9838228, 19676456]

約数ペア:

[(1, 19676456), (2, 9838228), (4, 4919114), (8, 2459557), (43, 457592), (47, 418648), (86, 228796), (94, 209324), (172, 114398), (188, 104662), (344, 57199), (376, 52331), (1217, 16168), (2021, 9736), (2434, 8084), (4042, 4868)]