19128928

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6569}}^1$

素因数の和:6599

約数の個数: 48

約数和(自身を含む): 46357920

約数和(自身を除く): 27228992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6569, 13138, 26276, 45983, 52552, 85397, 91966, 105104, 170794, 183932, 210208, 341588, 367864, 597779, 683176, 735728, 1195558, 1366352, 1471456, 2391116, 2732704, 4782232, 9564464, 19128928]

約数ペア:

[(1, 19128928), (2, 9564464), (4, 4782232), (7, 2732704), (8, 2391116), (13, 1471456), (14, 1366352), (16, 1195558), (26, 735728), (28, 683176), (32, 597779), (52, 367864), (56, 341588), (91, 210208), (104, 183932), (112, 170794), (182, 105104), (208, 91966), (224, 85397), (364, 52552), (416, 45983), (728, 26276), (1456, 13138), (2912, 6569)]