19921740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{607}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 55974912

約数和(自身を除く): 36053172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 547, 607, 1094, 1214, 1641, 1821, 2188, 2428, 2735, 3035, 3282, 3642, 5470, 6070, 6564, 7284, 8205, 9105, 10940, 12140, 16410, 18210, 32820, 36420, 332029, 664058, 996087, 1328116, 1660145, 1992174, 3320290, 3984348, 4980435, 6640580, 9960870, 19921740]

約数ペア:

[(1, 19921740), (2, 9960870), (3, 6640580), (4, 4980435), (5, 3984348), (6, 3320290), (10, 1992174), (12, 1660145), (15, 1328116), (20, 996087), (30, 664058), (60, 332029), (547, 36420), (607, 32820), (1094, 18210), (1214, 16410), (1641, 12140), (1821, 10940), (2188, 9105), (2428, 8205), (2735, 7284), (3035, 6564), (3282, 6070), (3642, 5470)]