39517264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2131}}^1$

素因数の和:2219

約数の個数: 40

約数和(自身を含む): 81954080

約数和(自身を除く): 42436816

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 2131, 2318, 4262, 4636, 8524, 9272, 17048, 18544, 34096, 40489, 80978, 129991, 161956, 259982, 323912, 519964, 647824, 1039928, 2079856, 2469829, 4939658, 9879316, 19758632, 39517264]

約数ペア:

[(1, 39517264), (2, 19758632), (4, 9879316), (8, 4939658), (16, 2469829), (19, 2079856), (38, 1039928), (61, 647824), (76, 519964), (122, 323912), (152, 259982), (244, 161956), (304, 129991), (488, 80978), (976, 40489), (1159, 34096), (2131, 18544), (2318, 17048), (4262, 9272), (4636, 8524)]