19995244

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{809}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 36197280

約数和(自身を除く): 16202036

約数列:

[1, 2, 4, 37, 74, 148, 167, 334, 668, 809, 1618, 3236, 6179, 12358, 24716, 29933, 59866, 119732, 135103, 270206, 540412, 4998811, 9997622, 19995244]

約数ペア:

[(1, 19995244), (2, 9997622), (4, 4998811), (37, 540412), (74, 270206), (148, 135103), (167, 119732), (334, 59866), (668, 29933), (809, 24716), (1618, 12358), (3236, 6179)]