19666552

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3527}}^1$

素因数の和:3591

約数の個数: 32

約数和(自身を含む): 40007520

約数和(自身を除く): 20340968

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 136, 164, 328, 697, 1394, 2788, 3527, 5576, 7054, 14108, 28216, 59959, 119918, 144607, 239836, 289214, 479672, 578428, 1156856, 2458319, 4916638, 9833276, 19666552]

約数ペア:

[(1, 19666552), (2, 9833276), (4, 4916638), (8, 2458319), (17, 1156856), (34, 578428), (41, 479672), (68, 289214), (82, 239836), (136, 144607), (164, 119918), (328, 59959), (697, 28216), (1394, 14108), (2788, 7054), (3527, 5576)]