19627930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1039

約数の個数: 48

約数和(自身を含む): 42143976

約数和(自身を除く): 22516046

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 977, 1435, 1954, 2009, 2870, 4018, 4885, 6839, 9770, 10045, 13678, 20090, 34195, 40057, 47873, 68390, 80114, 95746, 200285, 239365, 280399, 400570, 478730, 560798, 1401995, 1962793, 2803990, 3925586, 9813965, 19627930]

約数ペア:

[(1, 19627930), (2, 9813965), (5, 3925586), (7, 2803990), (10, 1962793), (14, 1401995), (35, 560798), (41, 478730), (49, 400570), (70, 280399), (82, 239365), (98, 200285), (205, 95746), (245, 80114), (287, 68390), (410, 47873), (490, 40057), (574, 34195), (977, 20090), (1435, 13678), (1954, 10045), (2009, 9770), (2870, 6839), (4018, 4885)]