19723616

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 42774480

約数和(自身を除く): 23050864

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 137, 176, 274, 352, 409, 548, 818, 1096, 1507, 1636, 2192, 3014, 3272, 4384, 4499, 6028, 6544, 8998, 12056, 13088, 17996, 24112, 35992, 48224, 56033, 71984, 112066, 143968, 224132, 448264, 616363, 896528, 1232726, 1793056, 2465452, 4930904, 9861808, 19723616]

約数ペア:

[(1, 19723616), (2, 9861808), (4, 4930904), (8, 2465452), (11, 1793056), (16, 1232726), (22, 896528), (32, 616363), (44, 448264), (88, 224132), (137, 143968), (176, 112066), (274, 71984), (352, 56033), (409, 48224), (548, 35992), (818, 24112), (1096, 17996), (1507, 13088), (1636, 12056), (2192, 8998), (3014, 6544), (3272, 6028), (4384, 4499)]