818625488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{19373}}^1$

素因数の和:19539

約数の個数: 40

約数和(自身を含む): 1681663200

約数和(自身を除く): 863037712

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 139, 152, 278, 304, 556, 1112, 2224, 2641, 5282, 10564, 19373, 21128, 38746, 42256, 77492, 154984, 309968, 368087, 736174, 1472348, 2692847, 2944696, 5385694, 5889392, 10771388, 21542776, 43085552, 51164093, 102328186, 204656372, 409312744, 818625488]

約数ペア:

[(1, 818625488), (2, 409312744), (4, 204656372), (8, 102328186), (16, 51164093), (19, 43085552), (38, 21542776), (76, 10771388), (139, 5889392), (152, 5385694), (278, 2944696), (304, 2692847), (556, 1472348), (1112, 736174), (2224, 368087), (2641, 309968), (5282, 154984), (10564, 77492), (19373, 42256), (21128, 38746)]