19809716

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1321}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 36423744

約数和(自身を除く): 16614028

約数列:

[1, 2, 4, 23, 46, 92, 163, 326, 652, 1321, 2642, 3749, 5284, 7498, 14996, 30383, 60766, 121532, 215323, 430646, 861292, 4952429, 9904858, 19809716]

約数ペア:

[(1, 19809716), (2, 9904858), (4, 4952429), (23, 861292), (46, 430646), (92, 215323), (163, 121532), (326, 60766), (652, 30383), (1321, 14996), (2642, 7498), (3749, 5284)]