19517218

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 15964382

約数列:

[1, 2, 7, 14, 19, 38, 133, 239, 266, 307, 478, 614, 1673, 2149, 3346, 4298, 4541, 5833, 9082, 11666, 31787, 40831, 63574, 73373, 81662, 146746, 513611, 1027222, 1394087, 2788174, 9758609, 19517218]

約数ペア:

[(1, 19517218), (2, 9758609), (7, 2788174), (14, 1394087), (19, 1027222), (38, 513611), (133, 146746), (239, 81662), (266, 73373), (307, 63574), (478, 40831), (614, 31787), (1673, 11666), (2149, 9082), (3346, 5833), (4298, 4541)]