18639894

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4877}}^1$

素因数の和:4909

約数の個数: 48

約数和(自身を含む): 46711728

約数和(自身を除く): 28071834

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 4877, 9754, 14631, 29262, 34139, 63401, 68278, 102417, 126802, 190203, 204834, 238973, 380406, 443807, 477946, 716919, 887614, 1331421, 1433838, 2662842, 3106649, 6213298, 9319947, 18639894]

約数ペア:

[(1, 18639894), (2, 9319947), (3, 6213298), (6, 3106649), (7, 2662842), (13, 1433838), (14, 1331421), (21, 887614), (26, 716919), (39, 477946), (42, 443807), (49, 380406), (78, 238973), (91, 204834), (98, 190203), (147, 126802), (182, 102417), (273, 68278), (294, 63401), (546, 34139), (637, 29262), (1274, 14631), (1911, 9754), (3822, 4877)]