20189307470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{203953}}^1$

素因数の和:204500

約数の個数: 32

約数和(自身を含む): 38327035680

約数和(自身を除く): 18137728210

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 521, 1042, 2605, 5210, 9899, 19798, 49495, 98990, 203953, 407906, 1019765, 2039530, 3875107, 7750214, 19375535, 38751070, 106259513, 212519026, 531297565, 1062595130, 2018930747, 4037861494, 10094653735, 20189307470]

約数ペア:

[(1, 20189307470), (2, 10094653735), (5, 4037861494), (10, 2018930747), (19, 1062595130), (38, 531297565), (95, 212519026), (190, 106259513), (521, 38751070), (1042, 19375535), (2605, 7750214), (5210, 3875107), (9899, 2039530), (19798, 1019765), (49495, 407906), (98990, 203953)]