18372893

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 23639040

約数和(自身を除く): 5266147

約数列:

[1, 7, 11, 49, 77, 89, 383, 539, 623, 979, 2681, 4213, 4361, 6853, 18767, 29491, 34087, 47971, 206437, 238609, 374957, 1670263, 2624699, 18372893]

約数ペア:

[(1, 18372893), (7, 2624699), (11, 1670263), (49, 374957), (77, 238609), (89, 206437), (383, 47971), (539, 34087), (623, 29491), (979, 18767), (2681, 6853), (4213, 4361)]