20181923728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{10039}}^1$

素因数の和:10472

約数の個数: 80

約数和(自身を含む): 43698096000

約数和(自身を除く): 23516172272

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 389, 646, 778, 1292, 1556, 2584, 3112, 5168, 6224, 6613, 7391, 10039, 13226, 14782, 20078, 26452, 29564, 40156, 52904, 59128, 80312, 105808, 118256, 125647, 160624, 170663, 190741, 251294, 341326, 381482, 502588, 682652, 762964, 1005176, 1365304, 1525928, 2010352, 2730608, 3051856, 3242597, 3905171, 6485194, 7810342, 12970388, 15620684, 25940776, 31241368, 51881552, 62482736, 66387907, 74198249, 132775814, 148396498, 265551628, 296792996, 531103256, 593585992, 1062206512, 1187171984, 1261370233, 2522740466, 5045480932, 10090961864, 20181923728]

約数ペア:

[(1, 20181923728), (2, 10090961864), (4, 5045480932), (8, 2522740466), (16, 1261370233), (17, 1187171984), (19, 1062206512), (34, 593585992), (38, 531103256), (68, 296792996), (76, 265551628), (136, 148396498), (152, 132775814), (272, 74198249), (304, 66387907), (323, 62482736), (389, 51881552), (646, 31241368), (778, 25940776), (1292, 15620684), (1556, 12970388), (2584, 7810342), (3112, 6485194), (5168, 3905171), (6224, 3242597), (6613, 3051856), (7391, 2730608), (10039, 2010352), (13226, 1525928), (14782, 1365304), (20078, 1005176), (26452, 762964), (29564, 682652), (40156, 502588), (52904, 381482), (59128, 341326), (80312, 251294), (105808, 190741), (118256, 170663), (125647, 160624)]