19537164

素因数分解:

$2^2\times 3^2\times {\mathrm{397}}^1\times {\mathrm{1367}}^1$

素因数の和:1774

約数の個数: 36

約数和(自身を含む): 49546224

約数和(自身を除く): 30009060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 397, 794, 1191, 1367, 1588, 2382, 2734, 3573, 4101, 4764, 5468, 7146, 8202, 12303, 14292, 16404, 24606, 49212, 542699, 1085398, 1628097, 2170796, 3256194, 4884291, 6512388, 9768582, 19537164]

約数ペア:

[(1, 19537164), (2, 9768582), (3, 6512388), (4, 4884291), (6, 3256194), (9, 2170796), (12, 1628097), (18, 1085398), (36, 542699), (397, 49212), (794, 24606), (1191, 16404), (1367, 14292), (1588, 12303), (2382, 8202), (2734, 7146), (3573, 5468), (4101, 4764)]