18334540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{757}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 44315712

約数和(自身を除く): 25981172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 757, 865, 1211, 1514, 1730, 2422, 3028, 3460, 3785, 4844, 5299, 6055, 7570, 10598, 12110, 15140, 21196, 24220, 26495, 52990, 105980, 130961, 261922, 523844, 654805, 916727, 1309610, 1833454, 2619220, 3666908, 4583635, 9167270, 18334540]

約数ペア:

[(1, 18334540), (2, 9167270), (4, 4583635), (5, 3666908), (7, 2619220), (10, 1833454), (14, 1309610), (20, 916727), (28, 654805), (35, 523844), (70, 261922), (140, 130961), (173, 105980), (346, 52990), (692, 26495), (757, 24220), (865, 21196), (1211, 15140), (1514, 12110), (1730, 10598), (2422, 7570), (3028, 6055), (3460, 5299), (3785, 4844)]