18181878

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21191}}^1$

素因数の和:21220

約数の個数: 32

約数和(自身を含む): 42723072

約数和(自身を除く): 24541194

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 21191, 42382, 63573, 127146, 233101, 275483, 466202, 550966, 699303, 826449, 1398606, 1652898, 3030313, 6060626, 9090939, 18181878]

約数ペア:

[(1, 18181878), (2, 9090939), (3, 6060626), (6, 3030313), (11, 1652898), (13, 1398606), (22, 826449), (26, 699303), (33, 550966), (39, 466202), (66, 275483), (78, 233101), (143, 127146), (286, 63573), (429, 42382), (858, 21191)]