19147706

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 12371014

約数列:

[1, 2, 19, 38, 47, 71, 94, 142, 151, 302, 893, 1349, 1786, 2698, 2869, 3337, 5738, 6674, 7097, 10721, 14194, 21442, 63403, 126806, 134843, 203699, 269686, 407398, 503887, 1007774, 9573853, 19147706]

約数ペア:

[(1, 19147706), (2, 9573853), (19, 1007774), (38, 503887), (47, 407398), (71, 269686), (94, 203699), (142, 134843), (151, 126806), (302, 63403), (893, 21442), (1349, 14194), (1786, 10721), (2698, 7097), (2869, 6674), (3337, 5738)]