18907290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 31895910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 239, 270, 293, 478, 586, 717, 879, 1195, 1434, 1465, 1758, 2151, 2390, 2637, 2930, 3585, 4302, 4395, 5274, 6453, 7170, 7911, 8790, 10755, 12906, 13185, 15822, 21510, 26370, 32265, 39555, 64530, 70027, 79110, 140054, 210081, 350135, 420162, 630243, 700270, 1050405, 1260486, 1890729, 2100810, 3151215, 3781458, 6302430, 9453645, 18907290]

約数ペア:

[(1, 18907290), (2, 9453645), (3, 6302430), (5, 3781458), (6, 3151215), (9, 2100810), (10, 1890729), (15, 1260486), (18, 1050405), (27, 700270), (30, 630243), (45, 420162), (54, 350135), (90, 210081), (135, 140054), (239, 79110), (270, 70027), (293, 64530), (478, 39555), (586, 32265), (717, 26370), (879, 21510), (1195, 15822), (1434, 13185), (1465, 12906), (1758, 10755), (2151, 8790), (2390, 7911), (2637, 7170), (2930, 6453), (3585, 5274), (4302, 4395)]