19859648

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{5087}}^1$

素因数の和:5160

約数の個数: 28

約数和(自身を含む): 40062912

約数和(自身を除く): 20203264

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5087, 10174, 20348, 40696, 81392, 162784, 310307, 325568, 620614, 1241228, 2482456, 4964912, 9929824, 19859648]

約数ペア:

[(1, 19859648), (2, 9929824), (4, 4964912), (8, 2482456), (16, 1241228), (32, 620614), (61, 325568), (64, 310307), (122, 162784), (244, 81392), (488, 40696), (976, 20348), (1952, 10174), (3904, 5087)]