19914964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{11393}}^1$

素因数の和:11439

約数の個数: 24

約数和(自身を含む): 38283840

約数和(自身を除く): 18368876

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 11393, 22786, 45572, 216467, 262039, 432934, 524078, 865868, 1048156, 4978741, 9957482, 19914964]

約数ペア:

[(1, 19914964), (2, 9957482), (4, 4978741), (19, 1048156), (23, 865868), (38, 524078), (46, 432934), (76, 262039), (92, 216467), (437, 45572), (874, 22786), (1748, 11393)]