19959990206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{823}}^1\times {\mathrm{1213}}^1$

素因数の和:2820

約数の個数: 32

約数和(自身を含む): 32350866240

約数和(自身を除く): 12390876034

約数列:

[1, 2, 13, 26, 769, 823, 1213, 1538, 1646, 2426, 9997, 10699, 15769, 19994, 21398, 31538, 632887, 932797, 998299, 1265774, 1865594, 1996598, 8227531, 12126361, 12977887, 16455062, 24252722, 25955774, 767691931, 1535383862, 9979995103, 19959990206]

約数ペア:

[(1, 19959990206), (2, 9979995103), (13, 1535383862), (26, 767691931), (769, 25955774), (823, 24252722), (1213, 16455062), (1538, 12977887), (1646, 12126361), (2426, 8227531), (9997, 1996598), (10699, 1865594), (15769, 1265774), (19994, 998299), (21398, 932797), (31538, 632887)]