17980967536

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2032207}}^1$

素因数の和:2032301

約数の個数: 40

約数和(自身を含む): 40319006720

約数和(自身を除く): 22338039184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8848, 2032207, 4064414, 8128828, 14225449, 16257656, 28450898, 32515312, 56901796, 113803592, 160544353, 227607184, 321088706, 642177412, 1123810471, 1284354824, 2247620942, 2568709648, 4495241884, 8990483768, 17980967536]

約数ペア:

[(1, 17980967536), (2, 8990483768), (4, 4495241884), (7, 2568709648), (8, 2247620942), (14, 1284354824), (16, 1123810471), (28, 642177412), (56, 321088706), (79, 227607184), (112, 160544353), (158, 113803592), (316, 56901796), (553, 32515312), (632, 28450898), (1106, 16257656), (1264, 14225449), (2212, 8128828), (4424, 4064414), (8848, 2032207)]