1918949879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{2099}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 2477260800

約数和(自身を除く): 558310921

約数列:

[1, 7, 11, 31, 77, 217, 341, 383, 2099, 2387, 2681, 4213, 11873, 14693, 23089, 29491, 65069, 83111, 130603, 161623, 455483, 715759, 803917, 914221, 5010313, 5627419, 8843087, 24921427, 61901609, 174449989, 274135697, 1918949879]

約数ペア:

[(1, 1918949879), (7, 274135697), (11, 174449989), (31, 61901609), (77, 24921427), (217, 8843087), (341, 5627419), (383, 5010313), (2099, 914221), (2387, 803917), (2681, 715759), (4213, 455483), (11873, 161623), (14693, 130603), (23089, 83111), (29491, 65069)]