18392409

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10067}}^1$

素因数の和:10109

約数の個数: 24

約数和(自身を含む): 31412160

約数和(自身を除く): 13019751

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10067, 30201, 70469, 90603, 211407, 291943, 634221, 875829, 2043601, 2627487, 6130803, 18392409]

約数ペア:

[(1, 18392409), (3, 6130803), (7, 2627487), (9, 2043601), (21, 875829), (29, 634221), (63, 291943), (87, 211407), (203, 90603), (261, 70469), (609, 30201), (1827, 10067)]