18692793

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 32348160

約数和(自身を除く): 13655367

約数列:

[1, 3, 7, 9, 21, 47, 59, 63, 107, 141, 177, 321, 329, 413, 423, 531, 749, 963, 987, 1239, 2247, 2773, 2961, 3717, 5029, 6313, 6741, 8319, 15087, 18939, 19411, 24957, 35203, 44191, 45261, 56817, 58233, 105609, 132573, 174699, 296711, 316827, 397719, 890133, 2076977, 2670399, 6230931, 18692793]

約数ペア:

[(1, 18692793), (3, 6230931), (7, 2670399), (9, 2076977), (21, 890133), (47, 397719), (59, 316827), (63, 296711), (107, 174699), (141, 132573), (177, 105609), (321, 58233), (329, 56817), (413, 45261), (423, 44191), (531, 35203), (749, 24957), (963, 19411), (987, 18939), (1239, 15087), (2247, 8319), (2773, 6741), (2961, 6313), (3717, 5029)]