19637728

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1255

約数の個数: 48

約数和(自身を含む): 43110144

約数和(自身を除く): 23472416

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 88, 94, 176, 188, 352, 376, 517, 752, 1034, 1187, 1504, 2068, 2374, 4136, 4748, 8272, 9496, 13057, 16544, 18992, 26114, 37984, 52228, 55789, 104456, 111578, 208912, 223156, 417824, 446312, 613679, 892624, 1227358, 1785248, 2454716, 4909432, 9818864, 19637728]

約数ペア:

[(1, 19637728), (2, 9818864), (4, 4909432), (8, 2454716), (11, 1785248), (16, 1227358), (22, 892624), (32, 613679), (44, 446312), (47, 417824), (88, 223156), (94, 208912), (176, 111578), (188, 104456), (352, 55789), (376, 52228), (517, 37984), (752, 26114), (1034, 18992), (1187, 16544), (1504, 13057), (2068, 9496), (2374, 8272), (4136, 4748)]