18867917823

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1365163}}^1$

素因数の和:1365454

約数の個数: 16

約数和(自身を含む): 26735371776

約数和(自身を除く): 7867453953

約数列:

[1, 3, 17, 51, 271, 813, 4607, 13821, 1365163, 4095489, 23207771, 69623313, 369959173, 1109877519, 6289305941, 18867917823]

約数ペア:

[(1, 18867917823), (3, 6289305941), (17, 1109877519), (51, 369959173), (271, 69623313), (813, 23207771), (4607, 4095489), (13821, 1365163)]