18899682053

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{2153}}^1\times {\mathrm{5779}}^1$

素因数の和:7977

約数の個数: 24

約数和(自身を含む): 22709018880

約数和(自身を除く): 3809336827

約数列:

[1, 7, 31, 49, 217, 1519, 2153, 5779, 15071, 40453, 66743, 105497, 179149, 283171, 467201, 1254043, 3270407, 8778301, 12442187, 87095309, 385707797, 609667163, 2699954579, 18899682053]

約数ペア:

[(1, 18899682053), (7, 2699954579), (31, 609667163), (49, 385707797), (217, 87095309), (1519, 12442187), (2153, 8778301), (5779, 3270407), (15071, 1254043), (40453, 467201), (66743, 283171), (105497, 179149)]