20189954895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6440177}}^1$

素因数の和:6440215

約数の個数: 32

約数和(自身を含む): 37095425280

約数和(自身を除く): 16905470385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6440177, 19320531, 32200885, 70841947, 96602655, 122363363, 212525841, 354209735, 367090089, 611816815, 1062629205, 1345996993, 1835450445, 4037990979, 6729984965, 20189954895]

約数ペア:

[(1, 20189954895), (3, 6729984965), (5, 4037990979), (11, 1835450445), (15, 1345996993), (19, 1062629205), (33, 611816815), (55, 367090089), (57, 354209735), (95, 212525841), (165, 122363363), (209, 96602655), (285, 70841947), (627, 32200885), (1045, 19320531), (3135, 6440177)]