19781014

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1279}}^1$

素因数の和:1348

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 15239786

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 209, 407, 418, 703, 814, 1279, 1406, 2558, 7733, 14069, 15466, 24301, 28138, 47323, 48602, 94646, 267311, 520553, 534622, 899137, 1041106, 1798274, 9890507, 19781014]

約数ペア:

[(1, 19781014), (2, 9890507), (11, 1798274), (19, 1041106), (22, 899137), (37, 534622), (38, 520553), (74, 267311), (209, 94646), (407, 48602), (418, 47323), (703, 28138), (814, 24301), (1279, 15466), (1406, 14069), (2558, 7733)]