19528964

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{4127}}^1$

素因数の和:4164

約数の個数: 36

約数和(自身を含む): 42303744

約数和(自身を除く): 22774780

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 4127, 4732, 8254, 16508, 28889, 53651, 57778, 107302, 115556, 214604, 375557, 697463, 751114, 1394926, 1502228, 2789852, 4882241, 9764482, 19528964]

約数ペア:

[(1, 19528964), (2, 9764482), (4, 4882241), (7, 2789852), (13, 1502228), (14, 1394926), (26, 751114), (28, 697463), (52, 375557), (91, 214604), (169, 115556), (182, 107302), (338, 57778), (364, 53651), (676, 28889), (1183, 16508), (2366, 8254), (4127, 4732)]