19644790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{659}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 19131530

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 271, 542, 659, 1318, 1355, 2710, 2981, 3295, 5962, 6590, 7249, 14498, 14905, 29810, 36245, 72490, 178589, 357178, 892945, 1785890, 1964479, 3928958, 9822395, 19644790]

約数ペア:

[(1, 19644790), (2, 9822395), (5, 3928958), (10, 1964479), (11, 1785890), (22, 892945), (55, 357178), (110, 178589), (271, 72490), (542, 36245), (659, 29810), (1318, 14905), (1355, 14498), (2710, 7249), (2981, 6590), (3295, 5962)]