18302735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 25090560

約数和(自身を除く): 6787825

約数列:

[1, 5, 11, 43, 55, 71, 109, 215, 355, 473, 545, 781, 1199, 2365, 3053, 3905, 4687, 5995, 7739, 15265, 23435, 33583, 38695, 51557, 85129, 167915, 257785, 332777, 425645, 1663885, 3660547, 18302735]

約数ペア:

[(1, 18302735), (5, 3660547), (11, 1663885), (43, 425645), (55, 332777), (71, 257785), (109, 167915), (215, 85129), (355, 51557), (473, 38695), (545, 33583), (781, 23435), (1199, 15265), (2365, 7739), (3053, 5995), (3905, 4687)]