18575144

素因数分解:

$2^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{811}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 39950400

約数和(自身を除く): 21375256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 409, 811, 818, 1622, 1636, 2863, 3244, 3272, 5677, 5726, 6488, 11354, 11452, 22708, 22904, 45416, 331699, 663398, 1326796, 2321893, 2653592, 4643786, 9287572, 18575144]

約数ペア:

[(1, 18575144), (2, 9287572), (4, 4643786), (7, 2653592), (8, 2321893), (14, 1326796), (28, 663398), (56, 331699), (409, 45416), (811, 22904), (818, 22708), (1622, 11452), (1636, 11354), (2863, 6488), (3244, 5726), (3272, 5677)]