19900678516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{12724219}}^1$

素因数の和:12724263

約数の個数: 24

約数和(自身を含む): 38478041280

約数和(自身を除く): 18577362764

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 12724219, 25448438, 50896876, 216311723, 292657037, 432623446, 585314074, 865246892, 1170628148, 4975169629, 9950339258, 19900678516]

約数ペア:

[(1, 19900678516), (2, 9950339258), (4, 4975169629), (17, 1170628148), (23, 865246892), (34, 585314074), (46, 432623446), (68, 292657037), (92, 216311723), (391, 50896876), (782, 25448438), (1564, 12724219)]