181518818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9931}}^1$

素因数の和:10002

約数の個数: 32

約数和(自身を含む): 317029440

約数和(自身を除く): 135510622

約数列:

[1, 2, 13, 19, 26, 37, 38, 74, 247, 481, 494, 703, 962, 1406, 9139, 9931, 18278, 19862, 129103, 188689, 258206, 367447, 377378, 734894, 2452957, 4776811, 4905914, 6981493, 9553622, 13962986, 90759409, 181518818]

約数ペア:

[(1, 181518818), (2, 90759409), (13, 13962986), (19, 9553622), (26, 6981493), (37, 4905914), (38, 4776811), (74, 2452957), (247, 734894), (481, 377378), (494, 367447), (703, 258206), (962, 188689), (1406, 129103), (9139, 19862), (9931, 18278)]