18515940896

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{103123}}^1$

素因数の和:103345

約数の個数: 48

約数和(自身を含む): 37837433088

約数和(自身を除く): 19321492192

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 181, 248, 362, 496, 724, 992, 1448, 2896, 5611, 5792, 11222, 22444, 44888, 89776, 103123, 179552, 206246, 412492, 824984, 1649968, 3196813, 3299936, 6393626, 12787252, 18665263, 25574504, 37330526, 51149008, 74661052, 102298016, 149322104, 298644208, 578623153, 597288416, 1157246306, 2314492612, 4628985224, 9257970448, 18515940896]

約数ペア:

[(1, 18515940896), (2, 9257970448), (4, 4628985224), (8, 2314492612), (16, 1157246306), (31, 597288416), (32, 578623153), (62, 298644208), (124, 149322104), (181, 102298016), (248, 74661052), (362, 51149008), (496, 37330526), (724, 25574504), (992, 18665263), (1448, 12787252), (2896, 6393626), (5611, 3299936), (5792, 3196813), (11222, 1649968), (22444, 824984), (44888, 412492), (89776, 206246), (103123, 179552)]