19973488

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{33739}}^1$

素因数の和:33784

約数の個数: 20

約数和(自身を含む): 39745720

約数和(自身を除く): 19772232

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 33739, 67478, 134956, 269912, 539824, 1248343, 2496686, 4993372, 9986744, 19973488]

約数ペア:

[(1, 19973488), (2, 9986744), (4, 4993372), (8, 2496686), (16, 1248343), (37, 539824), (74, 269912), (148, 134956), (296, 67478), (592, 33739)]