18616388

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^2\times {\mathrm{191}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 38072832

約数和(自身を除く): 19456444

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 191, 236, 382, 413, 764, 826, 1337, 1652, 2674, 3481, 5348, 6962, 11269, 13924, 22538, 24367, 45076, 48734, 78883, 97468, 157766, 315532, 664871, 1329742, 2659484, 4654097, 9308194, 18616388]

約数ペア:

[(1, 18616388), (2, 9308194), (4, 4654097), (7, 2659484), (14, 1329742), (28, 664871), (59, 315532), (118, 157766), (191, 97468), (236, 78883), (382, 48734), (413, 45076), (764, 24367), (826, 22538), (1337, 13924), (1652, 11269), (2674, 6962), (3481, 5348)]