19912712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146417}}^1$

素因数の和:146440

約数の個数: 16

約数和(自身を含む): 39532860

約数和(自身を除く): 19620148

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146417, 292834, 585668, 1171336, 2489089, 4978178, 9956356, 19912712]

約数ペア:

[(1, 19912712), (2, 9956356), (4, 4978178), (8, 2489089), (17, 1171336), (34, 585668), (68, 292834), (136, 146417)]