18439256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{661}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 37892880

約数和(自身を除く): 19453624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 317, 634, 661, 1268, 1322, 2536, 2644, 3487, 5288, 6974, 7271, 13948, 14542, 27896, 29084, 58168, 209537, 419074, 838148, 1676296, 2304907, 4609814, 9219628, 18439256]

約数ペア:

[(1, 18439256), (2, 9219628), (4, 4609814), (8, 2304907), (11, 1676296), (22, 838148), (44, 419074), (88, 209537), (317, 58168), (634, 29084), (661, 27896), (1268, 14542), (1322, 13948), (2536, 7271), (2644, 6974), (3487, 5288)]