18299290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 34506000

約数和(自身を除く): 16206710

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 709, 890, 1418, 2581, 3545, 5162, 7090, 12905, 20561, 25810, 41122, 63101, 102805, 126202, 205610, 315505, 631010, 1829929, 3659858, 9149645, 18299290]

約数ペア:

[(1, 18299290), (2, 9149645), (5, 3659858), (10, 1829929), (29, 631010), (58, 315505), (89, 205610), (145, 126202), (178, 102805), (290, 63101), (445, 41122), (709, 25810), (890, 20561), (1418, 12905), (2581, 7090), (3545, 5162)]