19972485

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34141}}^1$

素因数の和:34165

約数の個数: 24

約数和(自身を含む): 37283064

約数和(自身を除く): 17310579

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 34141, 102423, 170705, 307269, 443833, 512115, 1331499, 1536345, 2219165, 3994497, 6657495, 19972485]

約数ペア:

[(1, 19972485), (3, 6657495), (5, 3994497), (9, 2219165), (13, 1536345), (15, 1331499), (39, 512115), (45, 443833), (65, 307269), (117, 170705), (195, 102423), (585, 34141)]