18893942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 31595520

約数和(自身を除く): 12701578

約数列:

[1, 2, 19, 31, 38, 43, 62, 86, 373, 589, 746, 817, 1178, 1333, 1634, 2666, 7087, 11563, 14174, 16039, 23126, 25327, 32078, 50654, 219697, 304741, 439394, 497209, 609482, 994418, 9446971, 18893942]

約数ペア:

[(1, 18893942), (2, 9446971), (19, 994418), (31, 609482), (38, 497209), (43, 439394), (62, 304741), (86, 219697), (373, 50654), (589, 32078), (746, 25327), (817, 23126), (1178, 16039), (1333, 14174), (1634, 11563), (2666, 7087)]