18676203

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 32366880

約数和(自身を除く): 13690677

約数列:

[1, 3, 7, 13, 21, 29, 39, 49, 87, 91, 147, 203, 273, 337, 377, 609, 637, 1011, 1131, 1421, 1911, 2359, 2639, 4263, 4381, 7077, 7917, 9773, 13143, 16513, 18473, 29319, 30667, 49539, 55419, 68411, 92001, 127049, 205233, 214669, 381147, 478877, 644007, 889343, 1436631, 2668029, 6225401, 18676203]

約数ペア:

[(1, 18676203), (3, 6225401), (7, 2668029), (13, 1436631), (21, 889343), (29, 644007), (39, 478877), (49, 381147), (87, 214669), (91, 205233), (147, 127049), (203, 92001), (273, 68411), (337, 55419), (377, 49539), (609, 30667), (637, 29319), (1011, 18473), (1131, 16513), (1421, 13143), (1911, 9773), (2359, 7917), (2639, 7077), (4263, 4381)]