18882171

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2477}}^1$

素因数の和:2512

約数の個数: 36

約数和(自身を含む): 34275696

約数和(自身を除く): 15393525

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2477, 2541, 7431, 7623, 17339, 22293, 27247, 52017, 81741, 156051, 190729, 245223, 299717, 572187, 899151, 1716561, 2098019, 2697453, 6294057, 18882171]

約数ペア:

[(1, 18882171), (3, 6294057), (7, 2697453), (9, 2098019), (11, 1716561), (21, 899151), (33, 572187), (63, 299717), (77, 245223), (99, 190729), (121, 156051), (231, 81741), (363, 52017), (693, 27247), (847, 22293), (1089, 17339), (2477, 7623), (2541, 7431)]