19877992

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1823}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 19520408

約数列:

[1, 2, 4, 8, 29, 47, 58, 94, 116, 188, 232, 376, 1363, 1823, 2726, 3646, 5452, 7292, 10904, 14584, 52867, 85681, 105734, 171362, 211468, 342724, 422936, 685448, 2484749, 4969498, 9938996, 19877992]

約数ペア:

[(1, 19877992), (2, 9938996), (4, 4969498), (8, 2484749), (29, 685448), (47, 422936), (58, 342724), (94, 211468), (116, 171362), (188, 105734), (232, 85681), (376, 52867), (1363, 14584), (1823, 10904), (2726, 7292), (3646, 5452)]