19900386

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{9137}}^1$

素因数の和:9167

約数の個数: 36

約数和(自身を含む): 47398806

約数和(自身を除く): 27498420

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 9137, 18274, 27411, 54822, 82233, 100507, 164466, 201014, 301521, 603042, 904563, 1105577, 1809126, 2211154, 3316731, 6633462, 9950193, 19900386]

約数ペア:

[(1, 19900386), (2, 9950193), (3, 6633462), (6, 3316731), (9, 2211154), (11, 1809126), (18, 1105577), (22, 904563), (33, 603042), (66, 301521), (99, 201014), (121, 164466), (198, 100507), (242, 82233), (363, 54822), (726, 27411), (1089, 18274), (2178, 9137)]