2018903965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{10781}}^1$

素因数の和:10909

約数の個数: 32

約数和(自身を含む): 2709818496

約数和(自身を除く): 690914531

約数列:

[1, 5, 13, 43, 65, 67, 215, 335, 559, 871, 2795, 2881, 4355, 10781, 14405, 37453, 53905, 140153, 187265, 463583, 700765, 722327, 2317915, 3611635, 6026579, 9390251, 30132895, 31060061, 46951255, 155300305, 403780793, 2018903965]

約数ペア:

[(1, 2018903965), (5, 403780793), (13, 155300305), (43, 46951255), (65, 31060061), (67, 30132895), (215, 9390251), (335, 6026579), (559, 3611635), (871, 2317915), (2795, 722327), (2881, 700765), (4355, 463583), (10781, 187265), (14405, 140153), (37453, 53905)]