18488392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{457}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 37510200

約数和(自身を除く): 19021808

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389, 457, 778, 914, 1556, 1828, 3112, 3656, 5057, 5941, 10114, 11882, 20228, 23764, 40456, 47528, 177773, 355546, 711092, 1422184, 2311049, 4622098, 9244196, 18488392]

約数ペア:

[(1, 18488392), (2, 9244196), (4, 4622098), (8, 2311049), (13, 1422184), (26, 711092), (52, 355546), (104, 177773), (389, 47528), (457, 40456), (778, 23764), (914, 20228), (1556, 11882), (1828, 10114), (3112, 5941), (3656, 5057)]