19797488

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42667}}^1$

素因数の和:42704

約数の個数: 20

約数和(自身を含む): 39681240

約数和(自身を除く): 19883752

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42667, 85334, 170668, 341336, 682672, 1237343, 2474686, 4949372, 9898744, 19797488]

約数ペア:

[(1, 19797488), (2, 9898744), (4, 4949372), (8, 2474686), (16, 1237343), (29, 682672), (58, 341336), (116, 170668), (232, 85334), (464, 42667)]