19736612

素因数分解:

$2^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{997}}^1$

素因数の和:1116

約数の個数: 36

約数和(自身を含む): 40616604

約数和(自身を除く): 20879992

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 196, 202, 404, 707, 997, 1414, 1994, 2828, 3988, 4949, 6979, 9898, 13958, 19796, 27916, 48853, 97706, 100697, 195412, 201394, 402788, 704879, 1409758, 2819516, 4934153, 9868306, 19736612]

約数ペア:

[(1, 19736612), (2, 9868306), (4, 4934153), (7, 2819516), (14, 1409758), (28, 704879), (49, 402788), (98, 201394), (101, 195412), (196, 100697), (202, 97706), (404, 48853), (707, 27916), (997, 19796), (1414, 13958), (1994, 9898), (2828, 6979), (3988, 4949)]