19505564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 39287808

約数和(自身を除く): 19782244

約数列:

[1, 2, 4, 13, 23, 26, 46, 47, 52, 92, 94, 188, 299, 347, 598, 611, 694, 1081, 1196, 1222, 1388, 2162, 2444, 4324, 4511, 7981, 9022, 14053, 15962, 16309, 18044, 28106, 31924, 32618, 56212, 65236, 103753, 207506, 212017, 375107, 415012, 424034, 750214, 848068, 1500428, 4876391, 9752782, 19505564]

約数ペア:

[(1, 19505564), (2, 9752782), (4, 4876391), (13, 1500428), (23, 848068), (26, 750214), (46, 424034), (47, 415012), (52, 375107), (92, 212017), (94, 207506), (188, 103753), (299, 65236), (347, 56212), (598, 32618), (611, 31924), (694, 28106), (1081, 18044), (1196, 16309), (1222, 15962), (1388, 14053), (2162, 9022), (2444, 7981), (4324, 4511)]