18729820610

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3679729}}^1$

素因数の和:3680245

約数の個数: 16

約数和(自身を含む): 33779921400

約数和(自身を除く): 15050100790

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 5090, 3679729, 7359458, 18398645, 36797290, 1872982061, 3745964122, 9364910305, 18729820610]

約数ペア:

[(1, 18729820610), (2, 9364910305), (5, 3745964122), (10, 1872982061), (509, 36797290), (1018, 18398645), (2545, 7359458), (5090, 3679729)]