18839226

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 25401894

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 139, 147, 278, 294, 417, 461, 834, 922, 973, 1383, 1946, 2766, 2919, 3227, 5838, 6454, 6811, 9681, 13622, 19362, 20433, 22589, 40866, 45178, 64079, 67767, 128158, 135534, 192237, 384474, 448553, 897106, 1345659, 2691318, 3139871, 6279742, 9419613, 18839226]

約数ペア:

[(1, 18839226), (2, 9419613), (3, 6279742), (6, 3139871), (7, 2691318), (14, 1345659), (21, 897106), (42, 448553), (49, 384474), (98, 192237), (139, 135534), (147, 128158), (278, 67767), (294, 64079), (417, 45178), (461, 40866), (834, 22589), (922, 20433), (973, 19362), (1383, 13622), (1946, 9681), (2766, 6811), (2919, 6454), (3227, 5838)]