19331780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74353}}^1$

素因数の和:74375

約数の個数: 24

約数和(自身を含む): 43720152

約数和(自身を除く): 24388372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74353, 148706, 297412, 371765, 743530, 966589, 1487060, 1933178, 3866356, 4832945, 9665890, 19331780]

約数ペア:

[(1, 19331780), (2, 9665890), (4, 4832945), (5, 3866356), (10, 1933178), (13, 1487060), (20, 966589), (26, 743530), (52, 371765), (65, 297412), (130, 148706), (260, 74353)]