18131290

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 15564710

約数列:

[1, 2, 5, 10, 59, 79, 118, 158, 295, 389, 395, 590, 778, 790, 1945, 3890, 4661, 9322, 22951, 23305, 30731, 45902, 46610, 61462, 114755, 153655, 229510, 307310, 1813129, 3626258, 9065645, 18131290]

約数ペア:

[(1, 18131290), (2, 9065645), (5, 3626258), (10, 1813129), (59, 307310), (79, 229510), (118, 153655), (158, 114755), (295, 61462), (389, 46610), (395, 45902), (590, 30731), (778, 23305), (790, 22951), (1945, 9322), (3890, 4661)]