19756408

素因数分解:

$2^3\times 7^2\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 43605000

約数和(自身を除く): 23848592

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 101, 196, 202, 392, 404, 499, 707, 808, 998, 1414, 1996, 2828, 3493, 3992, 4949, 5656, 6986, 9898, 13972, 19796, 24451, 27944, 39592, 48902, 50399, 97804, 100798, 195608, 201596, 352793, 403192, 705586, 1411172, 2469551, 2822344, 4939102, 9878204, 19756408]

約数ペア:

[(1, 19756408), (2, 9878204), (4, 4939102), (7, 2822344), (8, 2469551), (14, 1411172), (28, 705586), (49, 403192), (56, 352793), (98, 201596), (101, 195608), (196, 100798), (202, 97804), (392, 50399), (404, 48902), (499, 39592), (707, 27944), (808, 24451), (998, 19796), (1414, 13972), (1996, 9898), (2828, 6986), (3493, 5656), (3992, 4949)]