18306410

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 33929280

約数和(自身を除く): 15622870

約数列:

[1, 2, 5, 10, 67, 89, 134, 178, 307, 335, 445, 614, 670, 890, 1535, 3070, 5963, 11926, 20569, 27323, 29815, 41138, 54646, 59630, 102845, 136615, 205690, 273230, 1830641, 3661282, 9153205, 18306410]

約数ペア:

[(1, 18306410), (2, 9153205), (5, 3661282), (10, 1830641), (67, 273230), (89, 205690), (134, 136615), (178, 102845), (307, 59630), (335, 54646), (445, 41138), (614, 29815), (670, 27323), (890, 20569), (1535, 11926), (3070, 5963)]