18418043215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{240743}}^1$

素因数の和:240879

約数の個数: 32

約数和(自身を含む): 26208354816

約数和(自身を除く): 7790311601

約数列:

[1, 5, 11, 13, 55, 65, 107, 143, 535, 715, 1177, 1391, 5885, 6955, 15301, 76505, 240743, 1203715, 2648173, 3129659, 13240865, 15648295, 25759501, 34426249, 128797505, 172131245, 283354511, 334873513, 1416772555, 1674367565, 3683608643, 18418043215]

約数ペア:

[(1, 18418043215), (5, 3683608643), (11, 1674367565), (13, 1416772555), (55, 334873513), (65, 283354511), (107, 172131245), (143, 128797505), (535, 34426249), (715, 25759501), (1177, 15648295), (1391, 13240865), (5885, 3129659), (6955, 2648173), (15301, 1203715), (76505, 240743)]