16728778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1354

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 13038902

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 209, 341, 418, 589, 682, 1178, 1291, 2582, 6479, 12958, 14201, 24529, 28402, 40021, 49058, 80042, 269819, 440231, 539638, 760399, 880462, 1520798, 8364389, 16728778]

約数ペア:

[(1, 16728778), (2, 8364389), (11, 1520798), (19, 880462), (22, 760399), (31, 539638), (38, 440231), (62, 269819), (209, 80042), (341, 49058), (418, 40021), (589, 28402), (682, 24529), (1178, 14201), (1291, 12958), (2582, 6479)]