19778408

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{14629}}^1$

素因数の和:14661

約数の個数: 24

約数和(自身を含む): 40159350

約数和(自身を除く): 20380942

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 14629, 29258, 58516, 117032, 190177, 380354, 760708, 1521416, 2472301, 4944602, 9889204, 19778408]

約数ペア:

[(1, 19778408), (2, 9889204), (4, 4944602), (8, 2472301), (13, 1521416), (26, 760708), (52, 380354), (104, 190177), (169, 117032), (338, 58516), (676, 29258), (1352, 14629)]