19927557

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{941}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 31202808

約数和(自身を除く): 11275251

約数列:

[1, 3, 9, 13, 39, 117, 181, 543, 941, 1629, 2353, 2823, 7059, 8469, 12233, 21177, 36699, 110097, 170321, 510963, 1532889, 2214173, 6642519, 19927557]

約数ペア:

[(1, 19927557), (3, 6642519), (9, 2214173), (13, 1532889), (39, 510963), (117, 170321), (181, 110097), (543, 36699), (941, 21177), (1629, 12233), (2353, 8469), (2823, 7059)]